Properties

Label 32.0.902...576.1
Degree $32$
Signature $[0, 16]$
Discriminant $9.022\times 10^{49}$
Root discriminant \(36.40\)
Ramified primes $2,89,257$
Class number $24$ (GRH)
Class group [24] (GRH)
Galois group $C_2^6:S_4$ (as 32T96908)

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Normalized defining polynomial

sage: x = polygen(QQ); K.<a> = NumberField(x^32 - 4*x^28 + 22*x^24 - 36*x^20 + 209*x^16 - 576*x^12 + 5632*x^8 - 16384*x^4 + 65536)
 
gp: K = bnfinit(y^32 - 4*y^28 + 22*y^24 - 36*y^20 + 209*y^16 - 576*y^12 + 5632*y^8 - 16384*y^4 + 65536, 1)
 
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^32 - 4*x^28 + 22*x^24 - 36*x^20 + 209*x^16 - 576*x^12 + 5632*x^8 - 16384*x^4 + 65536);
 
oscar: Qx, x = PolynomialRing(QQ); K, a = NumberField(x^32 - 4*x^28 + 22*x^24 - 36*x^20 + 209*x^16 - 576*x^12 + 5632*x^8 - 16384*x^4 + 65536)
 

\( x^{32} - 4x^{28} + 22x^{24} - 36x^{20} + 209x^{16} - 576x^{12} + 5632x^{8} - 16384x^{4} + 65536 \) Copy content Toggle raw display

sage: K.defining_polynomial()
 
gp: K.pol
 
magma: DefiningPolynomial(K);
 
oscar: defining_polynomial(K)
 

Invariants

Degree:  $32$
sage: K.degree()
 
gp: poldegree(K.pol)
 
magma: Degree(K);
 
oscar: degree(K)
 
Signature:  $[0, 16]$
sage: K.signature()
 
gp: K.sign
 
magma: Signature(K);
 
oscar: signature(K)
 
Discriminant:   \(90220386589172305242198553166127486468521067544576\) \(\medspace = 2^{76}\cdot 89^{4}\cdot 257^{8}\) Copy content Toggle raw display
sage: K.disc()
 
gp: K.disc
 
magma: OK := Integers(K); Discriminant(OK);
 
oscar: OK = ring_of_integers(K); discriminant(OK)
 
Root discriminant:  \(36.40\)
sage: (K.disc().abs())^(1./K.degree())
 
gp: abs(K.disc)^(1/poldegree(K.pol))
 
magma: Abs(Discriminant(OK))^(1/Degree(K));
 
oscar: (1.0 * dK)^(1/degree(K))
 
Galois root discriminant:  $2^{19/8}89^{1/2}257^{1/2}\approx 784.5268373963652$
Ramified primes:   \(2\), \(89\), \(257\) Copy content Toggle raw display
sage: K.disc().support()
 
gp: factor(abs(K.disc))[,1]~
 
magma: PrimeDivisors(Discriminant(OK));
 
oscar: prime_divisors(discriminant((OK)))
 
Discriminant root field:  \(\Q\)
$\card{ \Aut(K/\Q) }$:  $8$
sage: K.automorphisms()
 
magma: Automorphisms(K);
 
oscar: automorphisms(K)
 
This field is not Galois over $\Q$.
This is a CM field.
Reflex fields:  unavailable$^{32768}$

Integral basis (with respect to field generator \(a\))

$1$, $a$, $a^{2}$, $a^{3}$, $\frac{1}{2}a^{4}-\frac{1}{2}a^{3}-\frac{1}{2}a^{2}-\frac{1}{2}a$, $\frac{1}{2}a^{5}-\frac{1}{2}a$, $\frac{1}{2}a^{6}-\frac{1}{2}a^{2}$, $\frac{1}{4}a^{7}-\frac{1}{4}a^{6}-\frac{1}{4}a^{3}+\frac{1}{4}a^{2}$, $\frac{1}{4}a^{8}-\frac{1}{4}a^{6}-\frac{1}{4}a^{4}+\frac{1}{4}a^{2}$, $\frac{1}{4}a^{9}-\frac{1}{4}a^{6}-\frac{1}{4}a^{5}+\frac{1}{4}a^{2}$, $\frac{1}{8}a^{10}-\frac{1}{8}a^{9}-\frac{1}{8}a^{8}-\frac{1}{8}a^{7}+\frac{1}{8}a^{6}+\frac{1}{8}a^{5}+\frac{1}{8}a^{4}+\frac{1}{8}a^{3}-\frac{1}{4}a^{2}$, $\frac{1}{8}a^{11}-\frac{1}{4}a^{6}-\frac{1}{8}a^{3}+\frac{1}{4}a^{2}$, $\frac{1}{8}a^{12}-\frac{1}{4}a^{6}-\frac{1}{8}a^{4}+\frac{1}{4}a^{2}$, $\frac{1}{16}a^{13}-\frac{1}{16}a^{11}-\frac{1}{8}a^{8}-\frac{1}{8}a^{6}+\frac{3}{16}a^{5}+\frac{1}{8}a^{4}-\frac{7}{16}a^{3}-\frac{3}{8}a^{2}+\frac{1}{4}a-\frac{1}{2}$, $\frac{1}{16}a^{14}-\frac{1}{16}a^{12}-\frac{1}{8}a^{9}-\frac{1}{8}a^{7}+\frac{3}{16}a^{6}+\frac{1}{8}a^{5}+\frac{1}{16}a^{4}+\frac{1}{8}a^{3}-\frac{1}{4}a^{2}$, $\frac{1}{16}a^{15}-\frac{1}{16}a^{11}-\frac{1}{8}a^{9}-\frac{1}{8}a^{8}+\frac{1}{16}a^{7}-\frac{1}{8}a^{6}-\frac{1}{8}a^{5}+\frac{1}{8}a^{4}+\frac{7}{16}a^{3}-\frac{3}{8}a^{2}-\frac{1}{4}a-\frac{1}{2}$, $\frac{1}{32}a^{16}+\frac{1}{32}a^{12}+\frac{3}{32}a^{8}-\frac{1}{4}a^{6}-\frac{5}{32}a^{4}-\frac{1}{2}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a-\frac{1}{2}$, $\frac{1}{32}a^{17}-\frac{1}{32}a^{13}-\frac{1}{16}a^{11}+\frac{3}{32}a^{9}-\frac{1}{8}a^{8}-\frac{1}{8}a^{6}+\frac{5}{32}a^{5}+\frac{1}{8}a^{4}-\frac{7}{16}a^{3}-\frac{3}{8}a^{2}+\frac{1}{4}a-\frac{1}{2}$, $\frac{1}{32}a^{18}-\frac{1}{32}a^{14}-\frac{1}{16}a^{12}-\frac{1}{32}a^{10}-\frac{1}{8}a^{8}-\frac{7}{32}a^{6}+\frac{3}{16}a^{4}+\frac{1}{4}a^{2}$, $\frac{1}{64}a^{19}-\frac{1}{64}a^{17}+\frac{1}{64}a^{15}-\frac{1}{64}a^{13}+\frac{3}{64}a^{11}+\frac{5}{64}a^{9}+\frac{3}{64}a^{7}+\frac{13}{64}a^{5}-\frac{1}{8}a^{3}-\frac{1}{4}a$, $\frac{1}{64}a^{20}-\frac{1}{64}a^{18}-\frac{1}{64}a^{16}-\frac{1}{64}a^{14}+\frac{1}{64}a^{12}-\frac{3}{64}a^{10}-\frac{1}{8}a^{9}+\frac{5}{64}a^{8}-\frac{1}{8}a^{7}-\frac{11}{64}a^{6}+\frac{1}{8}a^{5}-\frac{3}{32}a^{4}-\frac{3}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a-\frac{1}{2}$, $\frac{1}{128}a^{21}-\frac{1}{64}a^{18}-\frac{1}{64}a^{16}-\frac{1}{64}a^{14}+\frac{1}{64}a^{13}-\frac{1}{64}a^{12}-\frac{1}{16}a^{11}-\frac{3}{64}a^{10}+\frac{1}{16}a^{9}+\frac{5}{64}a^{8}-\frac{1}{8}a^{7}+\frac{13}{64}a^{6}-\frac{27}{128}a^{5}+\frac{13}{64}a^{4}-\frac{5}{16}a^{3}+\frac{3}{8}a^{2}-\frac{3}{8}a+\frac{1}{4}$, $\frac{1}{256}a^{22}-\frac{1}{64}a^{16}-\frac{3}{128}a^{14}+\frac{3}{64}a^{12}-\frac{1}{32}a^{10}-\frac{3}{64}a^{8}+\frac{29}{256}a^{6}-\frac{15}{64}a^{4}-\frac{1}{2}a^{3}-\frac{1}{16}a^{2}-\frac{1}{2}a-\frac{1}{4}$, $\frac{1}{1024}a^{23}-\frac{1}{512}a^{22}-\frac{1}{256}a^{21}-\frac{1}{128}a^{20}-\frac{1}{256}a^{19}-\frac{1}{128}a^{18}-\frac{1}{64}a^{16}-\frac{13}{512}a^{15}-\frac{7}{256}a^{14}+\frac{3}{128}a^{13}-\frac{1}{32}a^{12}-\frac{5}{256}a^{11}-\frac{1}{128}a^{10}+\frac{1}{32}a^{9}+\frac{1}{64}a^{8}+\frac{65}{1024}a^{7}+\frac{7}{512}a^{6}+\frac{35}{256}a^{5}+\frac{21}{128}a^{4}-\frac{25}{64}a^{3}+\frac{9}{32}a^{2}-\frac{3}{16}a+\frac{3}{8}$, $\frac{1}{10240}a^{24}-\frac{1}{2560}a^{20}-\frac{1}{64}a^{18}+\frac{59}{5120}a^{16}-\frac{1}{64}a^{14}+\frac{3}{512}a^{12}-\frac{3}{64}a^{10}-\frac{1}{8}a^{9}-\frac{783}{10240}a^{8}-\frac{1}{8}a^{7}+\frac{5}{64}a^{6}+\frac{1}{8}a^{5}+\frac{47}{320}a^{4}+\frac{1}{8}a^{3}+\frac{9}{40}$, $\frac{1}{20480}a^{25}-\frac{1}{5120}a^{21}-\frac{1}{64}a^{18}+\frac{139}{10240}a^{17}-\frac{1}{64}a^{16}-\frac{1}{64}a^{14}+\frac{11}{1024}a^{13}-\frac{1}{64}a^{12}-\frac{1}{16}a^{11}-\frac{3}{64}a^{10}+\frac{2257}{20480}a^{9}+\frac{5}{64}a^{8}-\frac{1}{8}a^{7}-\frac{3}{64}a^{6}+\frac{11}{320}a^{5}+\frac{13}{64}a^{4}-\frac{5}{16}a^{3}-\frac{3}{8}a^{2}-\frac{1}{80}a+\frac{1}{4}$, $\frac{1}{81920}a^{26}-\frac{1}{20480}a^{24}+\frac{39}{20480}a^{22}-\frac{39}{5120}a^{20}-\frac{181}{40960}a^{18}-\frac{139}{10240}a^{16}-\frac{5}{4096}a^{14}-\frac{27}{1024}a^{12}+\frac{1617}{81920}a^{10}-\frac{1}{8}a^{9}-\frac{977}{20480}a^{8}-\frac{1}{8}a^{7}+\frac{307}{2560}a^{6}+\frac{1}{8}a^{5}+\frac{33}{640}a^{4}+\frac{1}{8}a^{3}-\frac{71}{320}a^{2}+\frac{31}{80}$, $\frac{1}{163840}a^{27}-\frac{1}{40960}a^{25}-\frac{1}{40960}a^{23}-\frac{1}{512}a^{22}+\frac{1}{10240}a^{21}-\frac{1}{128}a^{20}+\frac{139}{81920}a^{19}-\frac{1}{128}a^{18}-\frac{139}{20480}a^{17}-\frac{1}{64}a^{16}+\frac{203}{8192}a^{15}-\frac{7}{256}a^{14}+\frac{53}{2048}a^{13}-\frac{1}{32}a^{12}-\frac{5423}{163840}a^{11}-\frac{1}{128}a^{10}-\frac{4817}{40960}a^{9}+\frac{1}{64}a^{8}-\frac{169}{2560}a^{7}+\frac{7}{512}a^{6}-\frac{71}{640}a^{5}+\frac{21}{128}a^{4}-\frac{61}{640}a^{3}+\frac{9}{32}a^{2}+\frac{61}{160}a+\frac{3}{8}$, $\frac{1}{3276800}a^{28}+\frac{7}{163840}a^{24}-\frac{5269}{1638400}a^{20}-\frac{1}{64}a^{18}-\frac{3057}{819200}a^{16}-\frac{1}{64}a^{14}+\frac{92817}{3276800}a^{12}-\frac{3}{64}a^{10}-\frac{1}{8}a^{9}+\frac{6517}{204800}a^{8}-\frac{1}{8}a^{7}-\frac{11}{64}a^{6}+\frac{1}{8}a^{5}-\frac{473}{2560}a^{4}+\frac{1}{8}a^{3}+\frac{1}{4}a^{2}-\frac{169}{800}$, $\frac{1}{6553600}a^{29}+\frac{7}{327680}a^{25}-\frac{5269}{3276800}a^{21}-\frac{1}{64}a^{18}+\frac{9743}{1638400}a^{17}-\frac{1}{64}a^{16}-\frac{1}{64}a^{14}+\frac{144017}{6553600}a^{13}-\frac{1}{64}a^{12}-\frac{3}{64}a^{10}-\frac{35083}{409600}a^{9}-\frac{3}{64}a^{8}-\frac{1}{8}a^{7}+\frac{5}{64}a^{6}-\frac{673}{5120}a^{5}-\frac{11}{64}a^{4}-\frac{3}{8}a^{3}-\frac{1}{2}a^{2}+\frac{31}{1600}a-\frac{1}{4}$, $\frac{1}{26214400}a^{30}-\frac{1}{6553600}a^{28}+\frac{7}{1310720}a^{26}-\frac{7}{327680}a^{24}+\frac{20331}{13107200}a^{22}-\frac{20331}{3276800}a^{20}+\frac{9743}{6553600}a^{18}-\frac{9743}{1638400}a^{16}+\frac{656017}{26214400}a^{14}-\frac{246417}{6553600}a^{12}-\frac{9483}{1638400}a^{10}-\frac{1}{8}a^{9}+\frac{9483}{409600}a^{8}-\frac{1}{8}a^{7}+\frac{4327}{20480}a^{6}+\frac{1}{8}a^{5}+\frac{473}{5120}a^{4}+\frac{1}{8}a^{3}+\frac{631}{6400}a^{2}-\frac{631}{1600}$, $\frac{1}{52428800}a^{31}-\frac{1}{13107200}a^{29}+\frac{7}{2621440}a^{27}-\frac{7}{655360}a^{25}-\frac{5269}{26214400}a^{23}-\frac{1}{512}a^{22}+\frac{5269}{6553600}a^{21}-\frac{1}{128}a^{20}+\frac{60943}{13107200}a^{19}-\frac{1}{128}a^{18}+\frac{41457}{3276800}a^{17}-\frac{1}{64}a^{16}+\frac{348817}{52428800}a^{15}-\frac{7}{256}a^{14}+\frac{60783}{13107200}a^{13}-\frac{1}{32}a^{12}+\frac{54517}{3276800}a^{11}-\frac{1}{128}a^{10}+\frac{22283}{819200}a^{9}+\frac{1}{64}a^{8}+\frac{3007}{40960}a^{7}+\frac{7}{512}a^{6}+\frac{513}{10240}a^{5}+\frac{21}{128}a^{4}+\frac{5631}{12800}a^{3}+\frac{9}{32}a^{2}+\frac{769}{3200}a+\frac{3}{8}$ Copy content Toggle raw display

sage: K.integral_basis()
 
gp: K.zk
 
magma: IntegralBasis(K);
 
oscar: basis(OK)
 

Monogenic:  Not computed
Index:  $1$
Inessential primes:  None

Class group and class number

$C_{24}$, which has order $24$ (assuming GRH)

sage: K.class_group().invariants()
 
gp: K.clgp
 
magma: ClassGroup(K);
 
oscar: class_group(K)
 

Unit group

sage: UK = K.unit_group()
 
magma: UK, fUK := UnitGroup(K);
 
oscar: UK, fUK = unit_group(OK)
 
Rank:  $15$
sage: UK.rank()
 
gp: K.fu
 
magma: UnitRank(K);
 
oscar: rank(UK)
 
Torsion generator:   \( \frac{441}{26214400} a^{31} + \frac{31}{1310720} a^{27} + \frac{211}{13107200} a^{23} - \frac{2377}{6553600} a^{19} + \frac{93897}{26214400} a^{15} - \frac{16543}{1638400} a^{11} + \frac{871}{20480} a^{7} - \frac{909}{6400} a^{3} \)  (order $8$) Copy content Toggle raw display
sage: UK.torsion_generator()
 
gp: K.tu[2]
 
magma: K!f(TU.1) where TU,f is TorsionUnitGroup(K);
 
oscar: torsion_units_generator(OK)
 
Fundamental units:   $\frac{713}{26214400}a^{31}+\frac{277}{13107200}a^{30}-\frac{81}{1310720}a^{27}-\frac{9}{131072}a^{26}+\frac{4483}{13107200}a^{23}+\frac{2247}{6553600}a^{22}-\frac{921}{6553600}a^{19}-\frac{7749}{3276800}a^{18}-\frac{16679}{26214400}a^{15}+\frac{33509}{13107200}a^{14}-\frac{1959}{1638400}a^{11}-\frac{19351}{819200}a^{10}+\frac{639}{20480}a^{7}+\frac{31}{2048}a^{6}-\frac{1357}{6400}a^{3}-\frac{533}{3200}a^{2}$, $\frac{1047}{52428800}a^{31}-\frac{57}{26214400}a^{30}+\frac{421}{13107200}a^{29}-\frac{15}{262144}a^{28}-\frac{271}{2621440}a^{27}+\frac{29}{262144}a^{26}-\frac{77}{655360}a^{25}+\frac{19}{65536}a^{24}+\frac{9757}{26214400}a^{23}-\frac{3027}{13107200}a^{22}+\frac{1911}{6553600}a^{21}-\frac{69}{131072}a^{20}-\frac{4679}{13107200}a^{19}-\frac{3991}{6553600}a^{18}+\frac{843}{3276800}a^{17}-\frac{33}{65536}a^{16}-\frac{4601}{52428800}a^{15}+\frac{21431}{26214400}a^{14}+\frac{16757}{13107200}a^{13}-\frac{2175}{262144}a^{12}-\frac{48601}{3276800}a^{11}+\frac{27291}{1638400}a^{10}-\frac{31003}{819200}a^{9}+\frac{941}{16384}a^{8}+\frac{5049}{40960}a^{7}-\frac{339}{4096}a^{6}+\frac{1883}{10240}a^{5}-\frac{205}{1024}a^{4}-\frac{4043}{12800}a^{3}+\frac{1353}{6400}a^{2}+\frac{31}{3200}a+\frac{31}{64}$, $\frac{17}{1638400}a^{31}+\frac{1}{16384}a^{28}-\frac{7}{81920}a^{27}-\frac{1}{4096}a^{24}+\frac{267}{819200}a^{23}+\frac{11}{8192}a^{20}+\frac{91}{409600}a^{19}-\frac{9}{4096}a^{16}-\frac{6911}{1638400}a^{15}+\frac{209}{16384}a^{12}+\frac{1823}{204800}a^{11}-\frac{9}{256}a^{8}-\frac{29}{2560}a^{7}+\frac{3}{32}a^{4}-\frac{7}{100}a^{3}+\frac{1}{4}$, $\frac{57}{26214400}a^{30}+\frac{467}{6553600}a^{29}+\frac{15}{262144}a^{28}-\frac{29}{262144}a^{26}-\frac{15}{65536}a^{25}-\frac{19}{65536}a^{24}+\frac{3027}{13107200}a^{22}+\frac{2737}{3276800}a^{21}+\frac{69}{131072}a^{20}+\frac{3991}{6553600}a^{18}+\frac{4221}{1638400}a^{17}+\frac{33}{65536}a^{16}-\frac{21431}{26214400}a^{14}+\frac{11139}{6553600}a^{13}+\frac{2175}{262144}a^{12}-\frac{27291}{1638400}a^{10}-\frac{13221}{409600}a^{9}-\frac{941}{16384}a^{8}+\frac{339}{4096}a^{6}+\frac{305}{1024}a^{5}+\frac{205}{1024}a^{4}-\frac{1353}{6400}a^{2}+\frac{57}{1600}a-\frac{31}{64}$, $\frac{599}{52428800}a^{31}-\frac{139}{13107200}a^{30}-\frac{137}{13107200}a^{29}-\frac{7}{409600}a^{28}+\frac{81}{2621440}a^{27}+\frac{43}{655360}a^{26}-\frac{79}{655360}a^{25}-\frac{3}{10240}a^{24}+\frac{3549}{26214400}a^{23}+\frac{551}{6553600}a^{22}-\frac{4547}{6553600}a^{21}-\frac{37}{204800}a^{20}+\frac{17977}{13107200}a^{19}+\frac{6763}{3276800}a^{18}-\frac{9191}{3276800}a^{17}-\frac{431}{102400}a^{16}+\frac{282183}{52428800}a^{15}+\frac{119237}{13107200}a^{14}-\frac{191129}{13107200}a^{13}-\frac{6119}{409600}a^{12}+\frac{49903}{3276800}a^{11}+\frac{24527}{819200}a^{10}-\frac{32529}{819200}a^{9}-\frac{6021}{102400}a^{8}+\frac{2881}{40960}a^{7}+\frac{763}{10240}a^{6}-\frac{479}{10240}a^{5}-\frac{1}{20}a^{4}+\frac{3909}{12800}a^{3}+\frac{1221}{3200}a^{2}-\frac{1147}{3200}a-\frac{383}{400}$, $\frac{593}{52428800}a^{31}+\frac{69}{3276800}a^{30}-\frac{481}{13107200}a^{29}-\frac{251}{3276800}a^{28}+\frac{119}{2621440}a^{27}+\frac{9}{163840}a^{26}-\frac{39}{655360}a^{25}+\frac{11}{163840}a^{24}+\frac{6363}{26214400}a^{23}+\frac{999}{1638400}a^{22}-\frac{5131}{6553600}a^{21}-\frac{2601}{1638400}a^{20}+\frac{19519}{13107200}a^{19}+\frac{607}{819200}a^{18}-\frac{9263}{3276800}a^{17}-\frac{773}{819200}a^{16}+\frac{282081}{52428800}a^{15}+\frac{17973}{3276800}a^{14}-\frac{152177}{13107200}a^{13}-\frac{55467}{3276800}a^{12}+\frac{12501}{3276800}a^{11}+\frac{4001}{409600}a^{10}-\frac{14357}{819200}a^{9}+\frac{11403}{204800}a^{8}+\frac{1359}{40960}a^{7}+\frac{249}{2560}a^{6}-\frac{1679}{10240}a^{5}-\frac{589}{2560}a^{4}+\frac{1823}{12800}a^{3}-\frac{237}{1600}a^{2}+\frac{1329}{3200}a+\frac{1009}{800}$, $\frac{593}{52428800}a^{31}-\frac{873}{26214400}a^{30}+\frac{481}{13107200}a^{29}-\frac{113}{6553600}a^{28}+\frac{119}{2621440}a^{27}+\frac{129}{1310720}a^{26}+\frac{39}{655360}a^{25}+\frac{41}{327680}a^{24}+\frac{6363}{26214400}a^{23}-\frac{1763}{13107200}a^{22}+\frac{5131}{6553600}a^{21}-\frac{1083}{3276800}a^{20}+\frac{19519}{13107200}a^{19}+\frac{14361}{6553600}a^{18}+\frac{9263}{3276800}a^{17}+\frac{4321}{1638400}a^{16}+\frac{282081}{52428800}a^{15}+\frac{33159}{26214400}a^{14}+\frac{152177}{13107200}a^{13}+\frac{84479}{6553600}a^{12}+\frac{12501}{3276800}a^{11}+\frac{91259}{1638400}a^{10}+\frac{14357}{819200}a^{9}+\frac{26859}{409600}a^{8}+\frac{1359}{40960}a^{7}-\frac{711}{20480}a^{6}+\frac{1679}{10240}a^{5}+\frac{1}{5120}a^{4}+\frac{1823}{12800}a^{3}+\frac{4737}{6400}a^{2}-\frac{1329}{3200}a+\frac{1457}{1600}$, $\frac{201}{26214400}a^{31}+\frac{437}{26214400}a^{30}+\frac{41}{819200}a^{29}-\frac{273}{6553600}a^{28}-\frac{153}{1310720}a^{27}-\frac{157}{1310720}a^{26}+\frac{1}{20480}a^{25}+\frac{153}{327680}a^{24}+\frac{1731}{13107200}a^{23}+\frac{2087}{13107200}a^{22}+\frac{171}{409600}a^{21}-\frac{923}{3276800}a^{20}-\frac{5257}{6553600}a^{19}-\frac{7749}{6553600}a^{18}+\frac{113}{204800}a^{17}+\frac{4321}{1638400}a^{16}+\frac{67417}{26214400}a^{15}+\frac{145029}{26214400}a^{14}+\frac{4297}{819200}a^{13}-\frac{27041}{6553600}a^{12}-\frac{35233}{1638400}a^{11}-\frac{7611}{1638400}a^{10}-\frac{6637}{204800}a^{9}+\frac{15119}{409600}a^{8}+\frac{167}{20480}a^{7}+\frac{3043}{20480}a^{6}+\frac{91}{320}a^{5}-\frac{327}{5120}a^{4}-\frac{3019}{6400}a^{3}-\frac{3033}{6400}a^{2}+\frac{9}{800}a+\frac{1557}{1600}$, $\frac{51}{6553600}a^{31}-\frac{31}{3276800}a^{30}-\frac{39}{1638400}a^{29}-\frac{13}{1638400}a^{28}-\frac{43}{327680}a^{27}+\frac{29}{163840}a^{26}-\frac{9}{81920}a^{25}+\frac{33}{81920}a^{24}+\frac{81}{3276800}a^{23}-\frac{101}{1638400}a^{22}-\frac{269}{819200}a^{21}-\frac{463}{819200}a^{20}-\frac{1507}{1638400}a^{19}+\frac{1507}{819200}a^{18}-\frac{217}{409600}a^{17}+\frac{901}{409600}a^{16}+\frac{16867}{6553600}a^{15}-\frac{2927}{3276800}a^{14}-\frac{13463}{1638400}a^{13}-\frac{21021}{1638400}a^{12}-\frac{4133}{409600}a^{11}+\frac{11201}{409600}a^{10}+\frac{1047}{102400}a^{9}+\frac{2157}{51200}a^{8}+\frac{29}{640}a^{7}-\frac{191}{2560}a^{6}-\frac{107}{640}a^{5}-\frac{167}{1280}a^{4}-\frac{247}{800}a^{3}+\frac{1363}{1600}a^{2}-\frac{157}{200}a+\frac{171}{200}$, $\frac{889}{52428800}a^{31}-\frac{87}{2621440}a^{29}-\frac{29}{524288}a^{27}-\frac{37}{655360}a^{25}-\frac{621}{26214400}a^{23}-\frac{861}{1310720}a^{21}+\frac{14807}{13107200}a^{19}-\frac{1177}{655360}a^{17}+\frac{171913}{52428800}a^{15}-\frac{31559}{2621440}a^{13}-\frac{28107}{3276800}a^{11}+\frac{137}{32768}a^{9}+\frac{419}{8192}a^{7}-\frac{2037}{10240}a^{5}-\frac{681}{12800}a^{3}-\frac{49}{640}a$, $\frac{87}{10485760}a^{31}-\frac{533}{26214400}a^{30}-\frac{281}{13107200}a^{29}-\frac{9}{262144}a^{28}+\frac{69}{2621440}a^{27}-\frac{7}{262144}a^{26}-\frac{111}{655360}a^{25}-\frac{11}{65536}a^{24}+\frac{121}{1048576}a^{23}-\frac{1863}{13107200}a^{22}-\frac{1651}{6553600}a^{21}-\frac{67}{131072}a^{20}-\frac{167}{2621440}a^{19}-\frac{4379}{6553600}a^{18}-\frac{4343}{3276800}a^{17}-\frac{103}{65536}a^{16}+\frac{18759}{10485760}a^{15}-\frac{82661}{26214400}a^{14}-\frac{46377}{13107200}a^{13}-\frac{537}{262144}a^{12}-\frac{10789}{655360}a^{11}-\frac{19021}{1638400}a^{10}-\frac{22237}{819200}a^{9}+\frac{111}{16384}a^{8}-\frac{651}{40960}a^{7}-\frac{543}{4096}a^{6}-\frac{671}{10240}a^{5}-\frac{51}{1024}a^{4}-\frac{599}{2560}a^{3}-\frac{1543}{6400}a^{2}-\frac{1631}{3200}a+\frac{29}{64}$, $\frac{1513}{52428800}a^{31}+\frac{79}{13107200}a^{30}+\frac{37}{13107200}a^{29}-\frac{249}{3276800}a^{28}-\frac{241}{2621440}a^{27}+\frac{57}{655360}a^{26}-\frac{77}{655360}a^{25}+\frac{49}{163840}a^{24}+\frac{13283}{26214400}a^{23}+\frac{389}{6553600}a^{22}-\frac{2313}{6553600}a^{21}-\frac{1299}{1638400}a^{20}-\frac{8121}{13107200}a^{19}+\frac{3457}{3276800}a^{18}-\frac{4149}{3276800}a^{17}+\frac{873}{819200}a^{16}+\frac{150521}{52428800}a^{15}+\frac{30143}{13107200}a^{14}+\frac{61429}{13107200}a^{13}-\frac{20233}{3276800}a^{12}-\frac{30759}{3276800}a^{11}-\frac{17297}{819200}a^{10}+\frac{6789}{819200}a^{9}+\frac{8947}{204800}a^{8}+\frac{4159}{40960}a^{7}-\frac{403}{10240}a^{6}+\frac{3}{10240}a^{5}-\frac{291}{2560}a^{4}-\frac{4557}{12800}a^{3}+\frac{369}{3200}a^{2}+\frac{567}{3200}a+\frac{741}{800}$, $\frac{1513}{52428800}a^{31}-\frac{79}{13107200}a^{30}+\frac{37}{13107200}a^{29}+\frac{249}{3276800}a^{28}-\frac{241}{2621440}a^{27}-\frac{57}{655360}a^{26}-\frac{77}{655360}a^{25}-\frac{49}{163840}a^{24}+\frac{13283}{26214400}a^{23}-\frac{389}{6553600}a^{22}-\frac{2313}{6553600}a^{21}+\frac{1299}{1638400}a^{20}-\frac{8121}{13107200}a^{19}-\frac{3457}{3276800}a^{18}-\frac{4149}{3276800}a^{17}-\frac{873}{819200}a^{16}+\frac{150521}{52428800}a^{15}-\frac{30143}{13107200}a^{14}+\frac{61429}{13107200}a^{13}+\frac{20233}{3276800}a^{12}-\frac{30759}{3276800}a^{11}+\frac{17297}{819200}a^{10}+\frac{6789}{819200}a^{9}-\frac{8947}{204800}a^{8}+\frac{4159}{40960}a^{7}+\frac{403}{10240}a^{6}+\frac{3}{10240}a^{5}+\frac{291}{2560}a^{4}-\frac{4557}{12800}a^{3}-\frac{369}{3200}a^{2}+\frac{567}{3200}a-\frac{741}{800}$, $\frac{3}{26214400}a^{31}+\frac{1333}{26214400}a^{30}+\frac{189}{3276800}a^{29}-\frac{9}{262144}a^{28}-\frac{19}{1310720}a^{27}-\frac{25}{262144}a^{26}-\frac{49}{163840}a^{25}-\frac{11}{65536}a^{24}-\frac{1407}{13107200}a^{23}+\frac{10663}{13107200}a^{22}-\frac{161}{1638400}a^{21}-\frac{67}{131072}a^{20}-\frac{771}{6553600}a^{19}-\frac{2821}{6553600}a^{18}-\frac{1653}{819200}a^{17}-\frac{103}{65536}a^{16}+\frac{51}{26214400}a^{15}+\frac{249861}{26214400}a^{14}+\frac{11213}{3276800}a^{13}-\frac{537}{262144}a^{12}+\frac{18701}{1638400}a^{11}-\frac{9779}{1638400}a^{10}-\frac{7521}{102400}a^{9}+\frac{111}{16384}a^{8}+\frac{761}{20480}a^{7}+\frac{1247}{4096}a^{6}+\frac{221}{2560}a^{5}-\frac{51}{1024}a^{4}+\frac{1043}{6400}a^{3}-\frac{4857}{6400}a^{2}-\frac{269}{200}a-\frac{3}{64}$, $\frac{577}{26214400}a^{31}+\frac{191}{26214400}a^{30}+\frac{1}{819200}a^{29}+\frac{631}{6553600}a^{28}-\frac{5}{262144}a^{27}-\frac{87}{1310720}a^{26}+\frac{1}{8192}a^{25}-\frac{79}{327680}a^{24}+\frac{2347}{13107200}a^{23}-\frac{2219}{13107200}a^{22}-\frac{389}{409600}a^{21}+\frac{3901}{3276800}a^{20}-\frac{1649}{6553600}a^{19}-\frac{16047}{6553600}a^{18}+\frac{563}{204800}a^{17}+\frac{793}{1638400}a^{16}+\frac{38609}{26214400}a^{15}+\frac{44847}{26214400}a^{14}+\frac{817}{819200}a^{13}+\frac{129127}{6553600}a^{12}-\frac{9251}{1638400}a^{11}-\frac{17513}{1638400}a^{10}+\frac{1749}{102400}a^{9}-\frac{5713}{409600}a^{8}+\frac{151}{4096}a^{7}-\frac{167}{20480}a^{6}-\frac{7}{256}a^{5}+\frac{1681}{5120}a^{4}-\frac{1133}{6400}a^{3}-\frac{899}{6400}a^{2}+\frac{12}{25}a-\frac{619}{1600}$ Copy content Toggle raw display (assuming GRH)
sage: UK.fundamental_units()
 
gp: K.fu
 
magma: [K|fUK(g): g in Generators(UK)];
 
oscar: [K(fUK(a)) for a in gens(UK)]
 
Regulator:  \( 588107386863.9401 \) (assuming GRH)
sage: K.regulator()
 
gp: K.reg
 
magma: Regulator(K);
 
oscar: regulator(K)
 

Class number formula

\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{16}\cdot 588107386863.9401 \cdot 24}{8\cdot\sqrt{90220386589172305242198553166127486468521067544576}}\cr\approx \mathstrut & 1.09598204904774 \end{aligned}\] (assuming GRH)

# self-contained SageMath code snippet to compute the analytic class number formula
 
x = polygen(QQ); K.<a> = NumberField(x^32 - 4*x^28 + 22*x^24 - 36*x^20 + 209*x^16 - 576*x^12 + 5632*x^8 - 16384*x^4 + 65536)
 
DK = K.disc(); r1,r2 = K.signature(); RK = K.regulator(); RR = RK.parent()
 
hK = K.class_number(); wK = K.unit_group().torsion_generator().order();
 
2^r1 * (2*RR(pi))^r2 * RK * hK / (wK * RR(sqrt(abs(DK))))
 
# self-contained Pari/GP code snippet to compute the analytic class number formula
 
K = bnfinit(x^32 - 4*x^28 + 22*x^24 - 36*x^20 + 209*x^16 - 576*x^12 + 5632*x^8 - 16384*x^4 + 65536, 1);
 
[polcoeff (lfunrootres (lfuncreate (K))[1][1][2], -1), 2^K.r1 * (2*Pi)^K.r2 * K.reg * K.no / (K.tu[1] * sqrt (abs (K.disc)))]
 
/* self-contained Magma code snippet to compute the analytic class number formula */
 
Qx<x> := PolynomialRing(QQ); K<a> := NumberField(x^32 - 4*x^28 + 22*x^24 - 36*x^20 + 209*x^16 - 576*x^12 + 5632*x^8 - 16384*x^4 + 65536);
 
OK := Integers(K); DK := Discriminant(OK);
 
UK, fUK := UnitGroup(OK); clK, fclK := ClassGroup(OK);
 
r1,r2 := Signature(K); RK := Regulator(K); RR := Parent(RK);
 
hK := #clK; wK := #TorsionSubgroup(UK);
 
2^r1 * (2*Pi(RR))^r2 * RK * hK / (wK * Sqrt(RR!Abs(DK)));
 
# self-contained Oscar code snippet to compute the analytic class number formula
 
Qx, x = PolynomialRing(QQ); K, a = NumberField(x^32 - 4*x^28 + 22*x^24 - 36*x^20 + 209*x^16 - 576*x^12 + 5632*x^8 - 16384*x^4 + 65536);
 
OK = ring_of_integers(K); DK = discriminant(OK);
 
UK, fUK = unit_group(OK); clK, fclK = class_group(OK);
 
r1,r2 = signature(K); RK = regulator(K); RR = parent(RK);
 
hK = order(clK); wK = torsion_units_order(K);
 
2^r1 * (2*pi)^r2 * RK * hK / (wK * sqrt(RR(abs(DK))))
 

Galois group

$C_2^6:S_4$ (as 32T96908):

sage: K.galois_group(type='pari')
 
gp: polgalois(K.pol)
 
magma: G = GaloisGroup(K);
 
oscar: G, Gtx = galois_group(K); G, transitive_group_identification(G)
 
A solvable group of order 1536
The 80 conjugacy class representatives for $C_2^6:S_4$
Character table for $C_2^6:S_4$

Intermediate fields

\(\Q(\sqrt{-1}) \), \(\Q(\sqrt{2}) \), \(\Q(\sqrt{-2}) \), 4.4.16448.1, \(\Q(\zeta_{8})\), 8.0.17314349056.3, 8.8.1540977065984.1, 8.0.24077766656.1, 8.0.1540977065984.1, 8.8.96311066624.1, 8.0.1082146816.3, 8.8.17314349056.1, 16.0.2374610317888657089888256.2, 16.0.9498441271554628359553024.1, 16.0.1199146732932032364544.1, 16.0.9498441271554628359553024.2, 16.16.9498441271554628359553024.1, 16.0.2374610317888657089888256.1, 16.0.9275821554252566757376.1

Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.

sage: K.subfields()[1:-1]
 
gp: L = nfsubfields(K); L[2..length(b)]
 
magma: L := Subfields(K); L[2..#L];
 
oscar: subfields(K)[2:end-1]
 

Sibling fields

Degree 32 siblings: data not computed
Minimal sibling: not computed

Frobenius cycle types

$p$ $2$ $3$ $5$ $7$ $11$ $13$ $17$ $19$ $23$ $29$ $31$ $37$ $41$ $43$ $47$ $53$ $59$
Cycle type R ${\href{/padicField/3.8.0.1}{8} }^{4}$ ${\href{/padicField/5.4.0.1}{4} }^{4}{,}\,{\href{/padicField/5.2.0.1}{2} }^{8}$ ${\href{/padicField/7.8.0.1}{8} }^{4}$ ${\href{/padicField/11.6.0.1}{6} }^{4}{,}\,{\href{/padicField/11.2.0.1}{2} }^{4}$ ${\href{/padicField/13.6.0.1}{6} }^{4}{,}\,{\href{/padicField/13.2.0.1}{2} }^{4}$ ${\href{/padicField/17.3.0.1}{3} }^{8}{,}\,{\href{/padicField/17.1.0.1}{1} }^{8}$ ${\href{/padicField/19.8.0.1}{8} }^{4}$ ${\href{/padicField/23.6.0.1}{6} }^{4}{,}\,{\href{/padicField/23.2.0.1}{2} }^{4}$ ${\href{/padicField/29.6.0.1}{6} }^{4}{,}\,{\href{/padicField/29.2.0.1}{2} }^{4}$ ${\href{/padicField/31.6.0.1}{6} }^{4}{,}\,{\href{/padicField/31.2.0.1}{2} }^{4}$ ${\href{/padicField/37.8.0.1}{8} }^{4}$ ${\href{/padicField/41.8.0.1}{8} }^{4}$ ${\href{/padicField/43.4.0.1}{4} }^{4}{,}\,{\href{/padicField/43.2.0.1}{2} }^{8}$ ${\href{/padicField/47.4.0.1}{4} }^{8}$ ${\href{/padicField/53.4.0.1}{4} }^{8}$ ${\href{/padicField/59.6.0.1}{6} }^{4}{,}\,{\href{/padicField/59.2.0.1}{2} }^{4}$

In the table, R denotes a ramified prime. Cycle lengths which are repeated in a cycle type are indicated by exponents.

# to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7$ in Sage:
 
p = 7; [(e, pr.norm().valuation(p)) for pr,e in K.factor(p)]
 
\\ to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7$ in Pari:
 
p = 7; pfac = idealprimedec(K, p); vector(length(pfac), j, [pfac[j][3], pfac[j][4]])
 
// to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7 in Magma:
 
p := 7; [<pr[2], Valuation(Norm(pr[1]), p)> : pr in Factorization(p*Integers(K))];
 
# to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7$ in Oscar:
 
p = 7; pfac = factor(ideal(ring_of_integers(K), p)); [(e, valuation(norm(pr),p)) for (pr,e) in pfac]
 

Local algebras for ramified primes

$p$LabelPolynomial $e$ $f$ $c$ Galois group Slope content
\(2\) Copy content Toggle raw display Deg $16$$16$$1$$38$
Deg $16$$16$$1$$38$
\(89\) Copy content Toggle raw display 89.2.1.2$x^{2} + 267$$2$$1$$1$$C_2$$[\ ]_{2}$
89.2.1.2$x^{2} + 267$$2$$1$$1$$C_2$$[\ ]_{2}$
89.2.1.2$x^{2} + 267$$2$$1$$1$$C_2$$[\ ]_{2}$
89.2.1.2$x^{2} + 267$$2$$1$$1$$C_2$$[\ ]_{2}$
89.6.0.1$x^{6} + x^{4} + 82 x^{3} + 80 x^{2} + 15 x + 3$$1$$6$$0$$C_6$$[\ ]^{6}$
89.6.0.1$x^{6} + x^{4} + 82 x^{3} + 80 x^{2} + 15 x + 3$$1$$6$$0$$C_6$$[\ ]^{6}$
89.6.0.1$x^{6} + x^{4} + 82 x^{3} + 80 x^{2} + 15 x + 3$$1$$6$$0$$C_6$$[\ ]^{6}$
89.6.0.1$x^{6} + x^{4} + 82 x^{3} + 80 x^{2} + 15 x + 3$$1$$6$$0$$C_6$$[\ ]^{6}$
\(257\) Copy content Toggle raw display Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $4$$2$$2$$2$
Deg $4$$2$$2$$2$
Deg $4$$2$$2$$2$
Deg $4$$2$$2$$2$