Normalized defining polynomial
\( x^{16} - 6 x^{15} + 11 x^{14} + 11 x^{13} - 75 x^{12} + 65 x^{11} + 125 x^{10} - 187 x^{9} - 68 x^{8} + \cdots + 1 \)
Invariants
Degree: | $16$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
| |
Signature: | $[10, 3]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
| |
Discriminant: | \(-298892216010498046875\) \(\medspace = -\,3^{8}\cdot 5^{12}\cdot 179\cdot 1021^{2}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
| |
Root discriminant: | \(19.04\) | 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: | $3^{1/2}5^{3/4}179^{1/2}1021^{1/2}\approx 2475.868173489506$ | ||
Ramified primes: | \(3\), \(5\), \(179\), \(1021\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
| |
Discriminant root field: | \(\Q(\sqrt{-179}) \) | ||
$\card{ \Aut(K/\Q) }$: | $2$ | sage: K.automorphisms()
magma: Automorphisms(K);
oscar: automorphisms(K)
| |
This field is not Galois over $\Q$. | |||
This is not a CM field. |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $a^{13}$, $a^{14}$, $\frac{1}{1087738199}a^{15}-\frac{320415255}{1087738199}a^{14}-\frac{159202311}{1087738199}a^{13}+\frac{166895705}{1087738199}a^{12}+\frac{333731880}{1087738199}a^{11}+\frac{410179281}{1087738199}a^{10}-\frac{4712343}{35088329}a^{9}+\frac{108302219}{1087738199}a^{8}-\frac{362029204}{1087738199}a^{7}-\frac{263883464}{1087738199}a^{6}+\frac{416758401}{1087738199}a^{5}+\frac{251174929}{1087738199}a^{4}+\frac{216134344}{1087738199}a^{3}+\frac{14898642}{1087738199}a^{2}+\frac{6348602}{35088329}a-\frac{9399023}{1087738199}$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
Trivial group, which has order $1$ (assuming GRH)
Unit group
Rank: | $12$ | sage: UK.rank()
gp: K.fu
magma: UnitRank(K);
oscar: rank(UK)
| |
Torsion generator: | \( -1 \) (order $2$) | 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: | $\frac{38675649}{35088329}a^{15}-\frac{220162298}{35088329}a^{14}+\frac{359599288}{35088329}a^{13}+\frac{528774725}{35088329}a^{12}-\frac{2737579388}{35088329}a^{11}+\frac{1717606926}{35088329}a^{10}+\frac{5288324002}{35088329}a^{9}-\frac{5718955480}{35088329}a^{8}-\frac{4107617906}{35088329}a^{7}+\frac{3845459058}{35088329}a^{6}+\frac{3242604861}{35088329}a^{5}+\frac{31672381}{35088329}a^{4}-\frac{3259758314}{35088329}a^{3}+\frac{460718207}{35088329}a^{2}+\frac{768399610}{35088329}a-\frac{190997351}{35088329}$, $\frac{2315963747}{1087738199}a^{15}-\frac{13050805569}{1087738199}a^{14}+\frac{20814808591}{1087738199}a^{13}+\frac{32477228510}{1087738199}a^{12}-\frac{160887962231}{1087738199}a^{11}+\frac{93377821685}{1087738199}a^{10}+\frac{10191156420}{35088329}a^{9}-\frac{313203901056}{1087738199}a^{8}-\frac{256214574016}{1087738199}a^{7}+\frac{187736038496}{1087738199}a^{6}+\frac{201499358195}{1087738199}a^{5}+\frac{33144852209}{1087738199}a^{4}-\frac{181757967242}{1087738199}a^{3}+\frac{15506832885}{1087738199}a^{2}+\frac{1153020144}{35088329}a-\frac{6880286156}{1087738199}$, $\frac{2449622833}{1087738199}a^{15}-\frac{13295083882}{1087738199}a^{14}+\frac{19358132186}{1087738199}a^{13}+\frac{38076449144}{1087738199}a^{12}-\frac{162662843246}{1087738199}a^{11}+\frac{67834274881}{1087738199}a^{10}+\frac{11150912994}{35088329}a^{9}-\frac{269446087103}{1087738199}a^{8}-\frac{313568611129}{1087738199}a^{7}+\frac{149395976157}{1087738199}a^{6}+\frac{227140911693}{1087738199}a^{5}+\frac{67933021142}{1087738199}a^{4}-\frac{174960013110}{1087738199}a^{3}-\frac{9275766765}{1087738199}a^{2}+\frac{1205315142}{35088329}a-\frac{5874635268}{1087738199}$, $\frac{4605641238}{1087738199}a^{15}-\frac{25454748111}{1087738199}a^{14}+\frac{38738629680}{1087738199}a^{13}+\frac{68519471539}{1087738199}a^{12}-\frac{312904867707}{1087738199}a^{11}+\frac{154169453681}{1087738199}a^{10}+\frac{20751056597}{35088329}a^{9}-\frac{562126419864}{1087738199}a^{8}-\frac{562119575973}{1087738199}a^{7}+\frac{327229967622}{1087738199}a^{6}+\frac{428214073737}{1087738199}a^{5}+\frac{103829579072}{1087738199}a^{4}-\frac{352123608056}{1087738199}a^{3}-\frac{4050452990}{1087738199}a^{2}+\frac{2228381743}{35088329}a-\frac{10963936090}{1087738199}$, $\frac{2449622833}{1087738199}a^{15}-\frac{13295083882}{1087738199}a^{14}+\frac{19358132186}{1087738199}a^{13}+\frac{38076449144}{1087738199}a^{12}-\frac{162662843246}{1087738199}a^{11}+\frac{67834274881}{1087738199}a^{10}+\frac{11150912994}{35088329}a^{9}-\frac{269446087103}{1087738199}a^{8}-\frac{313568611129}{1087738199}a^{7}+\frac{149395976157}{1087738199}a^{6}+\frac{227140911693}{1087738199}a^{5}+\frac{67933021142}{1087738199}a^{4}-\frac{174960013110}{1087738199}a^{3}-\frac{9275766765}{1087738199}a^{2}+\frac{1205315142}{35088329}a-\frac{4786897069}{1087738199}$, $\frac{6902337261}{1087738199}a^{15}-\frac{38239673763}{1087738199}a^{14}+\frac{58335764077}{1087738199}a^{13}+\frac{102808442309}{1087738199}a^{12}-\frac{470725535643}{1087738199}a^{11}+\frac{232996378197}{1087738199}a^{10}+\frac{31278318434}{35088329}a^{9}-\frac{847773158120}{1087738199}a^{8}-\frac{853426115632}{1087738199}a^{7}+\frac{491633146593}{1087738199}a^{6}+\frac{653574760308}{1087738199}a^{5}+\frac{161930661858}{1087738199}a^{4}-\frac{532020958466}{1087738199}a^{3}-\frac{10407793201}{1087738199}a^{2}+\frac{3378246731}{35088329}a-\frac{14332725507}{1087738199}$, $\frac{38675649}{35088329}a^{15}-\frac{220162298}{35088329}a^{14}+\frac{359599288}{35088329}a^{13}+\frac{528774725}{35088329}a^{12}-\frac{2737579388}{35088329}a^{11}+\frac{1717606926}{35088329}a^{10}+\frac{5288324002}{35088329}a^{9}-\frac{5718955480}{35088329}a^{8}-\frac{4107617906}{35088329}a^{7}+\frac{3845459058}{35088329}a^{6}+\frac{3242604861}{35088329}a^{5}+\frac{31672381}{35088329}a^{4}-\frac{3259758314}{35088329}a^{3}+\frac{460718207}{35088329}a^{2}+\frac{803487939}{35088329}a-\frac{190997351}{35088329}$, $\frac{3677848381}{1087738199}a^{15}-\frac{20907198456}{1087738199}a^{14}+\frac{33646511583}{1087738199}a^{13}+\frac{52062128271}{1087738199}a^{12}-\frac{260461989935}{1087738199}a^{11}+\frac{153597929173}{1087738199}a^{10}+\frac{16710409986}{35088329}a^{9}-\frac{522824387214}{1087738199}a^{8}-\frac{435991386668}{1087738199}a^{7}+\frac{331693323658}{1087738199}a^{6}+\frac{354674072356}{1087738199}a^{5}+\frac{48866439799}{1087738199}a^{4}-\frac{313208452392}{1087738199}a^{3}+\frac{13845233513}{1087738199}a^{2}+\frac{2007451996}{35088329}a-\frac{11667183225}{1087738199}$, $\frac{5804586357}{1087738199}a^{15}-\frac{32279779349}{1087738199}a^{14}+\frac{49886207608}{1087738199}a^{13}+\frac{84911488014}{1087738199}a^{12}-\frac{397769828735}{1087738199}a^{11}+\frac{207415268387}{1087738199}a^{10}+\frac{26039380599}{35088329}a^{9}-\frac{739414039744}{1087738199}a^{8}-\frac{689455731059}{1087738199}a^{7}+\frac{446439198420}{1087738199}a^{6}+\frac{528734824428}{1087738199}a^{5}+\frac{104811422883}{1087738199}a^{4}-\frac{453176115790}{1087738199}a^{3}+\frac{10231811427}{1087738199}a^{2}+\frac{2996781353}{35088329}a-\frac{16884853971}{1087738199}$, $\frac{8256880701}{1087738199}a^{15}-\frac{46140675083}{1087738199}a^{14}+\frac{71769254266}{1087738199}a^{13}+\frac{120636450915}{1087738199}a^{12}-\frac{569711870039}{1087738199}a^{11}+\frac{300389630846}{1087738199}a^{10}+\frac{37420606901}{35088329}a^{9}-\frac{1065599896893}{1087738199}a^{8}-\frac{1013219675975}{1087738199}a^{7}+\frac{646859800522}{1087738199}a^{6}+\frac{797849527562}{1087738199}a^{5}+\frac{159284275848}{1087738199}a^{4}-\frac{666085405450}{1087738199}a^{3}-\frac{7288312477}{1087738199}a^{2}+\frac{4337645335}{35088329}a-\frac{18653284480}{1087738199}$, $\frac{4586373514}{1087738199}a^{15}-\frac{25188868194}{1087738199}a^{14}+\frac{37520955486}{1087738199}a^{13}+\frac{70331213799}{1087738199}a^{12}-\frac{309837573412}{1087738199}a^{11}+\frac{139618556512}{1087738199}a^{10}+\frac{21087162014}{35088329}a^{9}-\frac{534569257064}{1087738199}a^{8}-\frac{597211541616}{1087738199}a^{7}+\frac{303897108097}{1087738199}a^{6}+\frac{452075402113}{1087738199}a^{5}+\frac{128785809649}{1087738199}a^{4}-\frac{350262991224}{1087738199}a^{3}-\frac{25914626086}{1087738199}a^{2}+\frac{2225226587}{35088329}a-\frac{7452439351}{1087738199}$, $\frac{6631813745}{1087738199}a^{15}-\frac{36868013819}{1087738199}a^{14}+\frac{56835049812}{1087738199}a^{13}+\frac{97250218308}{1087738199}a^{12}-\frac{453259919186}{1087738199}a^{11}+\frac{232739703073}{1087738199}a^{10}+\frac{29776711622}{35088329}a^{9}-\frac{827263042806}{1087738199}a^{8}-\frac{802149615345}{1087738199}a^{7}+\frac{480295846179}{1087738199}a^{6}+\frac{622376252447}{1087738199}a^{5}+\frac{147170461604}{1087738199}a^{4}-\frac{513097559200}{1087738199}a^{3}-\frac{5742452211}{1087738199}a^{2}+\frac{3156377881}{35088329}a-\frac{14151469676}{1087738199}$ (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: | \( 23191.2132427 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{10}\cdot(2\pi)^{3}\cdot 23191.2132427 \cdot 1}{2\cdot\sqrt{298892216010498046875}}\cr\approx \mathstrut & 0.170363177961 \end{aligned}\] (assuming GRH)
Galois group
$C_4^4.C_2\wr C_4$ (as 16T1771):
A solvable group of order 16384 |
The 190 conjugacy class representatives for $C_4^4.C_2\wr C_4$ |
Character table for $C_4^4.C_2\wr C_4$ |
Intermediate fields
\(\Q(\sqrt{5}) \), \(\Q(\zeta_{15})^+\), 8.8.1292203125.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Sibling fields
Degree 16 siblings: | data not computed |
Degree 32 siblings: | data not computed |
Minimal sibling: | 16.8.52401279790283203125.1 |
Frobenius cycle types
$p$ | $2$ | $3$ | $5$ | $7$ | $11$ | $13$ | $17$ | $19$ | $23$ | $29$ | $31$ | $37$ | $41$ | $43$ | $47$ | $53$ | $59$ |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cycle type | $16$ | R | R | $16$ | ${\href{/padicField/11.8.0.1}{8} }{,}\,{\href{/padicField/11.4.0.1}{4} }^{2}$ | ${\href{/padicField/13.8.0.1}{8} }^{2}$ | ${\href{/padicField/17.8.0.1}{8} }^{2}$ | ${\href{/padicField/19.8.0.1}{8} }{,}\,{\href{/padicField/19.4.0.1}{4} }{,}\,{\href{/padicField/19.2.0.1}{2} }^{2}$ | ${\href{/padicField/23.8.0.1}{8} }{,}\,{\href{/padicField/23.4.0.1}{4} }^{2}$ | ${\href{/padicField/29.4.0.1}{4} }^{2}{,}\,{\href{/padicField/29.2.0.1}{2} }^{2}{,}\,{\href{/padicField/29.1.0.1}{1} }^{4}$ | ${\href{/padicField/31.2.0.1}{2} }^{6}{,}\,{\href{/padicField/31.1.0.1}{1} }^{4}$ | $16$ | ${\href{/padicField/41.4.0.1}{4} }^{3}{,}\,{\href{/padicField/41.2.0.1}{2} }^{2}$ | ${\href{/padicField/43.8.0.1}{8} }^{2}$ | ${\href{/padicField/47.8.0.1}{8} }^{2}$ | $16$ | ${\href{/padicField/59.4.0.1}{4} }{,}\,{\href{/padicField/59.2.0.1}{2} }^{5}{,}\,{\href{/padicField/59.1.0.1}{1} }^{2}$ |
In the table, R denotes a ramified prime. Cycle lengths which are repeated in a cycle type are indicated by exponents.
Local algebras for ramified primes
$p$ | Label | Polynomial | $e$ | $f$ | $c$ | Galois group | Slope content |
---|---|---|---|---|---|---|---|
\(3\) | 3.8.4.1 | $x^{8} + 4 x^{7} + 16 x^{6} + 36 x^{5} + 94 x^{4} + 116 x^{3} + 144 x^{2} + 36 x + 229$ | $2$ | $4$ | $4$ | $C_4\times C_2$ | $[\ ]_{2}^{4}$ |
3.8.4.1 | $x^{8} + 4 x^{7} + 16 x^{6} + 36 x^{5} + 94 x^{4} + 116 x^{3} + 144 x^{2} + 36 x + 229$ | $2$ | $4$ | $4$ | $C_4\times C_2$ | $[\ ]_{2}^{4}$ | |
\(5\) | 5.16.12.1 | $x^{16} + 16 x^{14} + 16 x^{13} + 124 x^{12} + 192 x^{11} + 368 x^{10} - 16 x^{9} + 1462 x^{8} + 2688 x^{7} + 2544 x^{6} + 5232 x^{5} + 14108 x^{4} + 4800 x^{3} + 8592 x^{2} - 6512 x + 13041$ | $4$ | $4$ | $12$ | $C_4^2$ | $[\ ]_{4}^{4}$ |
\(179\) | $\Q_{179}$ | $x + 177$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ |
$\Q_{179}$ | $x + 177$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
$\Q_{179}$ | $x + 177$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
$\Q_{179}$ | $x + 177$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
$\Q_{179}$ | $x + 177$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
$\Q_{179}$ | $x + 177$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
179.2.1.1 | $x^{2} + 358$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
179.2.0.1 | $x^{2} + 172 x + 2$ | $1$ | $2$ | $0$ | $C_2$ | $[\ ]^{2}$ | |
179.2.0.1 | $x^{2} + 172 x + 2$ | $1$ | $2$ | $0$ | $C_2$ | $[\ ]^{2}$ | |
179.4.0.1 | $x^{4} + x^{2} + 109 x + 2$ | $1$ | $4$ | $0$ | $C_4$ | $[\ ]^{4}$ | |
\(1021\) | $\Q_{1021}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ |
$\Q_{1021}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
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 $4$ | $1$ | $4$ | $0$ | $C_4$ | $[\ ]^{4}$ | ||
Deg $4$ | $2$ | $2$ | $2$ |