Properties

Label 36.0.110...853.1
Degree $36$
Signature $[0, 18]$
Discriminant $1.103\times 10^{57}$
Root discriminant \(38.42\)
Ramified primes $7,13$
Class number $148$ (GRH)
Class group [2, 74] (GRH)
Galois group $C_3\times C_{12}$ (as 36T3)

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Normalized defining polynomial

sage: x = polygen(QQ); K.<a> = NumberField(x^36 - x^35 + 3*x^34 - 4*x^33 + 9*x^32 - 14*x^31 + 28*x^30 - 47*x^29 + 89*x^28 - 155*x^27 + 286*x^26 - 507*x^25 + 924*x^24 + 442*x^23 + 899*x^22 + 909*x^21 + 1331*x^20 + 1386*x^19 + 2185*x^18 + 1918*x^17 + 3838*x^16 + 2183*x^15 + 7411*x^14 + 793*x^13 + 16212*x^12 - 7215*x^11 + 3211*x^10 - 1429*x^9 + 636*x^8 - 283*x^7 + 126*x^6 - 56*x^5 + 25*x^4 - 11*x^3 + 5*x^2 - 2*x + 1)
 
gp: K = bnfinit(y^36 - y^35 + 3*y^34 - 4*y^33 + 9*y^32 - 14*y^31 + 28*y^30 - 47*y^29 + 89*y^28 - 155*y^27 + 286*y^26 - 507*y^25 + 924*y^24 + 442*y^23 + 899*y^22 + 909*y^21 + 1331*y^20 + 1386*y^19 + 2185*y^18 + 1918*y^17 + 3838*y^16 + 2183*y^15 + 7411*y^14 + 793*y^13 + 16212*y^12 - 7215*y^11 + 3211*y^10 - 1429*y^9 + 636*y^8 - 283*y^7 + 126*y^6 - 56*y^5 + 25*y^4 - 11*y^3 + 5*y^2 - 2*y + 1, 1)
 
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^36 - x^35 + 3*x^34 - 4*x^33 + 9*x^32 - 14*x^31 + 28*x^30 - 47*x^29 + 89*x^28 - 155*x^27 + 286*x^26 - 507*x^25 + 924*x^24 + 442*x^23 + 899*x^22 + 909*x^21 + 1331*x^20 + 1386*x^19 + 2185*x^18 + 1918*x^17 + 3838*x^16 + 2183*x^15 + 7411*x^14 + 793*x^13 + 16212*x^12 - 7215*x^11 + 3211*x^10 - 1429*x^9 + 636*x^8 - 283*x^7 + 126*x^6 - 56*x^5 + 25*x^4 - 11*x^3 + 5*x^2 - 2*x + 1);
 
oscar: Qx, x = PolynomialRing(QQ); K, a = NumberField(x^36 - x^35 + 3*x^34 - 4*x^33 + 9*x^32 - 14*x^31 + 28*x^30 - 47*x^29 + 89*x^28 - 155*x^27 + 286*x^26 - 507*x^25 + 924*x^24 + 442*x^23 + 899*x^22 + 909*x^21 + 1331*x^20 + 1386*x^19 + 2185*x^18 + 1918*x^17 + 3838*x^16 + 2183*x^15 + 7411*x^14 + 793*x^13 + 16212*x^12 - 7215*x^11 + 3211*x^10 - 1429*x^9 + 636*x^8 - 283*x^7 + 126*x^6 - 56*x^5 + 25*x^4 - 11*x^3 + 5*x^2 - 2*x + 1)
 

\( x^{36} - x^{35} + 3 x^{34} - 4 x^{33} + 9 x^{32} - 14 x^{31} + 28 x^{30} - 47 x^{29} + 89 x^{28} + \cdots + 1 \) Copy content Toggle raw display

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

Invariants

Degree:  $36$
sage: K.degree()
 
gp: poldegree(K.pol)
 
magma: Degree(K);
 
oscar: degree(K)
 
Signature:  $[0, 18]$
sage: K.signature()
 
gp: K.sign
 
magma: Signature(K);
 
oscar: signature(K)
 
Discriminant:   \(1102766555593920971763188134004988790509406708671598011853\) \(\medspace = 7^{24}\cdot 13^{33}\) 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:  \(38.42\)
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:  $7^{2/3}13^{11/12}\approx 38.416114130176354$
Ramified primes:   \(7\), \(13\) 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:  \(\Q(\sqrt{13}) \)
$\card{ \Gal(K/\Q) }$:  $36$
sage: K.automorphisms()
 
magma: Automorphisms(K);
 
oscar: automorphisms(K)
 
This field is Galois and abelian over $\Q$.
Conductor:  \(91=7\cdot 13\)
Dirichlet character group:    $\lbrace$$\chi_{91}(1,·)$, $\chi_{91}(2,·)$, $\chi_{91}(4,·)$, $\chi_{91}(8,·)$, $\chi_{91}(9,·)$, $\chi_{91}(11,·)$, $\chi_{91}(15,·)$, $\chi_{91}(16,·)$, $\chi_{91}(18,·)$, $\chi_{91}(22,·)$, $\chi_{91}(23,·)$, $\chi_{91}(25,·)$, $\chi_{91}(29,·)$, $\chi_{91}(30,·)$, $\chi_{91}(32,·)$, $\chi_{91}(36,·)$, $\chi_{91}(37,·)$, $\chi_{91}(43,·)$, $\chi_{91}(44,·)$, $\chi_{91}(46,·)$, $\chi_{91}(50,·)$, $\chi_{91}(51,·)$, $\chi_{91}(53,·)$, $\chi_{91}(57,·)$, $\chi_{91}(58,·)$, $\chi_{91}(60,·)$, $\chi_{91}(64,·)$, $\chi_{91}(67,·)$, $\chi_{91}(71,·)$, $\chi_{91}(72,·)$, $\chi_{91}(74,·)$, $\chi_{91}(79,·)$, $\chi_{91}(81,·)$, $\chi_{91}(85,·)$, $\chi_{91}(86,·)$, $\chi_{91}(88,·)$$\rbrace$
This is a CM field.
Reflex fields:  unavailable$^{131072}$

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

$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $\frac{1}{3}a^{13}-\frac{1}{3}$, $\frac{1}{3}a^{14}-\frac{1}{3}a$, $\frac{1}{3}a^{15}-\frac{1}{3}a^{2}$, $\frac{1}{3}a^{16}-\frac{1}{3}a^{3}$, $\frac{1}{3}a^{17}-\frac{1}{3}a^{4}$, $\frac{1}{3}a^{18}-\frac{1}{3}a^{5}$, $\frac{1}{3}a^{19}-\frac{1}{3}a^{6}$, $\frac{1}{3}a^{20}-\frac{1}{3}a^{7}$, $\frac{1}{3}a^{21}-\frac{1}{3}a^{8}$, $\frac{1}{3}a^{22}-\frac{1}{3}a^{9}$, $\frac{1}{3}a^{23}-\frac{1}{3}a^{10}$, $\frac{1}{3}a^{24}-\frac{1}{3}a^{11}$, $\frac{1}{1257987}a^{25}-\frac{35565}{419329}a^{24}-\frac{120667}{1257987}a^{23}-\frac{92722}{1257987}a^{22}+\frac{54674}{419329}a^{21}-\frac{50804}{1257987}a^{20}-\frac{44401}{419329}a^{19}+\frac{195617}{1257987}a^{18}-\frac{31166}{419329}a^{17}-\frac{22600}{419329}a^{16}+\frac{76421}{1257987}a^{15}+\frac{113810}{1257987}a^{14}-\frac{28768}{1257987}a^{13}-\frac{461542}{1257987}a^{12}+\frac{107525}{419329}a^{11}+\frac{546037}{1257987}a^{10}-\frac{362429}{1257987}a^{9}+\frac{33254}{419329}a^{8}+\frac{560075}{1257987}a^{7}-\frac{101217}{419329}a^{6}+\frac{265576}{1257987}a^{5}+\frac{175285}{419329}a^{4}+\frac{40325}{419329}a^{3}-\frac{61676}{1257987}a^{2}+\frac{410152}{1257987}a-\frac{412529}{1257987}$, $\frac{1}{3773961}a^{26}+\frac{463636}{3773961}a^{13}+\frac{86830}{3773961}$, $\frac{1}{3773961}a^{27}+\frac{463636}{3773961}a^{14}+\frac{86830}{3773961}a$, $\frac{1}{3773961}a^{28}+\frac{463636}{3773961}a^{15}+\frac{86830}{3773961}a^{2}$, $\frac{1}{3773961}a^{29}+\frac{463636}{3773961}a^{16}+\frac{86830}{3773961}a^{3}$, $\frac{1}{3773961}a^{30}+\frac{463636}{3773961}a^{17}+\frac{86830}{3773961}a^{4}$, $\frac{1}{3773961}a^{31}+\frac{463636}{3773961}a^{18}+\frac{86830}{3773961}a^{5}$, $\frac{1}{3773961}a^{32}+\frac{463636}{3773961}a^{19}+\frac{86830}{3773961}a^{6}$, $\frac{1}{3773961}a^{33}+\frac{463636}{3773961}a^{20}+\frac{86830}{3773961}a^{7}$, $\frac{1}{3773961}a^{34}+\frac{463636}{3773961}a^{21}+\frac{86830}{3773961}a^{8}$, $\frac{1}{3773961}a^{35}+\frac{463636}{3773961}a^{22}+\frac{86830}{3773961}a^{9}$ Copy content Toggle raw display

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

Monogenic:  No
Index:  Not computed
Inessential primes:  $3$

Class group and class number

$C_{2}\times C_{74}$, which has order $148$ (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:  $17$
sage: UK.rank()
 
gp: K.fu
 
magma: UnitRank(K);
 
oscar: rank(UK)
 
Torsion generator:   \( \frac{332648}{3773961} a^{35} - \frac{332648}{1257987} a^{34} + \frac{1330592}{3773961} a^{33} - \frac{332648}{419329} a^{32} + \frac{4657072}{3773961} a^{31} - \frac{9314144}{3773961} a^{30} + \frac{15634456}{3773961} a^{29} - \frac{29605672}{3773961} a^{28} + \frac{51560440}{3773961} a^{27} - \frac{95137328}{3773961} a^{26} + \frac{56217512}{1257987} a^{25} - \frac{102455584}{1257987} a^{24} + \frac{183178099}{1257987} a^{23} - \frac{299050552}{3773961} a^{22} - \frac{33597448}{419329} a^{21} - \frac{442754488}{3773961} a^{20} - \frac{51227792}{419329} a^{19} - \frac{726835880}{3773961} a^{18} - \frac{638018864}{3773961} a^{17} - \frac{1276703024}{3773961} a^{16} - \frac{726170584}{3773961} a^{15} - \frac{2465254328}{3773961} a^{14} - \frac{263789864}{3773961} a^{13} - \frac{1797629792}{1257987} a^{12} + \frac{800018440}{1257987} a^{11} - \frac{4483351483}{1257987} a^{10} + \frac{475353992}{3773961} a^{9} - \frac{70521376}{1257987} a^{8} + \frac{94139384}{3773961} a^{7} - \frac{4657072}{419329} a^{6} + \frac{18628288}{3773961} a^{5} - \frac{8316200}{3773961} a^{4} + \frac{3659128}{3773961} a^{3} - \frac{1663240}{3773961} a^{2} + \frac{665296}{3773961} a - \frac{332648}{3773961} \)  (order $26$) 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:   $\frac{65870}{3773961}a^{34}-\frac{1202}{3773961}a^{29}+\frac{137931491}{3773961}a^{21}-\frac{2518205}{3773961}a^{16}-\frac{2452391452}{3773961}a^{8}+\frac{42814819}{3773961}a^{3}$, $\frac{1494974}{3773961}a^{35}-\frac{747487}{3773961}a^{34}+\frac{3737435}{3773961}a^{33}-\frac{3737435}{3773961}a^{32}+\frac{10464818}{3773961}a^{31}-\frac{14202253}{3773961}a^{30}+\frac{10464818}{1257987}a^{29}-\frac{16444714}{1257987}a^{28}+\frac{32640163}{1257987}a^{27}-\frac{165194627}{3773961}a^{26}+\frac{103900693}{1257987}a^{25}-\frac{181390225}{1257987}a^{24}+\frac{111375563}{419329}a^{23}+\frac{1351456496}{3773961}a^{22}+\frac{1674370880}{3773961}a^{21}+\frac{2030922179}{3773961}a^{20}+\frac{2669276077}{3773961}a^{19}+\frac{3066939161}{3773961}a^{18}+\frac{4302535172}{3773961}a^{17}+\frac{500068803}{419329}a^{16}+\frac{796821142}{419329}a^{15}+\frac{681303999}{419329}a^{14}+\frac{12711016435}{3773961}a^{13}+\frac{2241713513}{1257987}a^{12}+\frac{8276329204}{1257987}a^{11}+\frac{148002426}{419329}a^{10}-\frac{592757191}{3773961}a^{9}+\frac{263862911}{3773961}a^{8}-\frac{117355459}{3773961}a^{7}+\frac{52324090}{3773961}a^{6}-\frac{23172097}{3773961}a^{5}+\frac{10464818}{3773961}a^{4}-\frac{1494974}{1257987}a^{3}+\frac{747487}{1257987}a^{2}+\frac{2577503}{1257987}a+\frac{747487}{3773961}$, $\frac{29344}{3773961}a^{33}-\frac{1447}{419329}a^{32}+\frac{649}{419329}a^{31}+\frac{61446742}{3773961}a^{20}-\frac{9089914}{1257987}a^{19}+\frac{4077245}{1257987}a^{18}-\frac{1091416871}{3773961}a^{7}+\frac{161908735}{1257987}a^{6}-\frac{72056165}{1257987}a^{5}$, $\frac{148061}{3773961}a^{35}+\frac{649}{419329}a^{31}+\frac{310039982}{3773961}a^{22}+\frac{4077245}{1257987}a^{18}-\frac{5510473570}{3773961}a^{9}-\frac{72056165}{1257987}a^{5}$, $\frac{148061}{3773961}a^{35}-\frac{1447}{419329}a^{32}+\frac{308}{3773961}a^{27}+\frac{310039982}{3773961}a^{22}-\frac{9089914}{1257987}a^{19}+\frac{647357}{3773961}a^{14}-\frac{5510473570}{3773961}a^{9}+\frac{161908735}{1257987}a^{6}-\frac{8479996}{3773961}a$, $\frac{27397}{1257987}a^{35}+\frac{57369497}{1257987}a^{22}-\frac{339786902}{419329}a^{9}$, $\frac{139}{3773961}a^{26}+\frac{288067}{3773961}a^{13}-\frac{3026474}{3773961}$, $\frac{332648}{3773961}a^{35}-\frac{332648}{1257987}a^{34}+\frac{1330592}{3773961}a^{33}-\frac{332648}{419329}a^{32}+\frac{4657072}{3773961}a^{31}-\frac{9314144}{3773961}a^{30}+\frac{15633254}{3773961}a^{29}-\frac{29605672}{3773961}a^{28}+\frac{51560440}{3773961}a^{27}-\frac{95137159}{3773961}a^{26}+\frac{56217512}{1257987}a^{25}-\frac{102455584}{1257987}a^{24}+\frac{183178099}{1257987}a^{23}-\frac{299050552}{3773961}a^{22}-\frac{33597448}{419329}a^{21}-\frac{442754488}{3773961}a^{20}-\frac{51227792}{419329}a^{19}-\frac{726835880}{3773961}a^{18}-\frac{638018864}{3773961}a^{17}-\frac{1279221229}{3773961}a^{16}-\frac{726170584}{3773961}a^{15}-\frac{2465254328}{3773961}a^{14}-\frac{263430574}{3773961}a^{13}-\frac{1797629792}{1257987}a^{12}+\frac{800018440}{1257987}a^{11}-\frac{4483351483}{1257987}a^{10}+\frac{475353992}{3773961}a^{9}-\frac{70521376}{1257987}a^{8}+\frac{94139384}{3773961}a^{7}-\frac{4657072}{419329}a^{6}+\frac{18628288}{3773961}a^{5}-\frac{8316200}{3773961}a^{4}+\frac{46473947}{3773961}a^{3}-\frac{1663240}{3773961}a^{2}+\frac{665296}{3773961}a-\frac{2012209}{3773961}$, $\frac{414839}{3773961}a^{35}-\frac{414839}{1257987}a^{34}+\frac{1659356}{3773961}a^{33}-\frac{414839}{419329}a^{32}+\frac{5813587}{3773961}a^{31}-\frac{11615492}{3773961}a^{30}+\frac{19497433}{3773961}a^{29}-\frac{36921118}{3773961}a^{28}+\frac{64300045}{3773961}a^{27}-\frac{118643954}{3773961}a^{26}+\frac{70107791}{1257987}a^{25}-\frac{127770412}{1257987}a^{24}+\frac{228438122}{1257987}a^{23}-\frac{372940261}{3773961}a^{22}-\frac{41898739}{419329}a^{21}-\frac{552150709}{3773961}a^{20}-\frac{63885206}{419329}a^{19}-\frac{894191480}{3773961}a^{18}-\frac{795661202}{3773961}a^{17}-\frac{1592152082}{3773961}a^{16}-\frac{906528961}{3773961}a^{15}-\frac{3074371829}{3773961}a^{14}-\frac{328967327}{3773961}a^{13}-\frac{2241789956}{1257987}a^{12}+\frac{997687795}{1257987}a^{11}-\frac{5590683956}{1257987}a^{10}+\frac{592804931}{3773961}a^{9}-\frac{87945868}{1257987}a^{8}+\frac{117399437}{3773961}a^{7}-\frac{5807746}{419329}a^{6}-\frac{192937511}{3773961}a^{5}-\frac{10370975}{3773961}a^{4}+\frac{4563229}{3773961}a^{3}+\frac{16980197}{3773961}a^{2}+\frac{829678}{3773961}a-\frac{414839}{3773961}$, $\frac{1679561}{3773961}a^{35}-\frac{1679561}{3773961}a^{34}+\frac{5068027}{3773961}a^{33}-\frac{6718244}{3773961}a^{32}+\frac{1679561}{419329}a^{31}-\frac{23513854}{3773961}a^{30}+\frac{47029804}{3773961}a^{29}-\frac{78939367}{3773961}a^{28}+\frac{149480929}{3773961}a^{27}-\frac{260331955}{3773961}a^{26}+\frac{53372735}{419329}a^{25}-\frac{283845809}{1257987}a^{24}+\frac{517304788}{1257987}a^{23}+\frac{742365962}{3773961}a^{22}+\frac{1509925339}{3773961}a^{21}+\frac{1588167691}{3773961}a^{20}+\frac{2235495691}{3773961}a^{19}+\frac{258652394}{419329}a^{18}+\frac{3669840785}{3773961}a^{17}+\frac{3225787051}{3773961}a^{16}+\frac{6446155118}{3773961}a^{15}+\frac{3666481663}{3773961}a^{14}+\frac{12447226571}{3773961}a^{13}+\frac{148027907}{419329}a^{12}+\frac{9076347644}{1257987}a^{11}-\frac{4039344205}{1257987}a^{10}+\frac{5393070371}{3773961}a^{9}-\frac{2400092669}{3773961}a^{8}-\frac{23216075}{3773961}a^{7}-\frac{475315763}{3773961}a^{6}+\frac{23513854}{419329}a^{5}-\frac{94055416}{3773961}a^{4}-\frac{35160617}{3773961}a^{3}-\frac{18475171}{3773961}a^{2}+\frac{8397805}{3773961}a-\frac{3359122}{3773961}$, $\frac{61529}{1257987}a^{35}-\frac{649}{419329}a^{31}+\frac{128841577}{1257987}a^{22}-\frac{4077245}{1257987}a^{18}-\frac{763494239}{419329}a^{9}+\frac{72056165}{1257987}a^{5}-1$, $\frac{65870}{3773961}a^{34}+\frac{23503}{3773961}a^{32}+\frac{2543}{3773961}a^{30}+\frac{137931491}{3773961}a^{21}+\frac{49215007}{3773961}a^{19}+\frac{5324477}{3773961}a^{17}-\frac{2452391452}{3773961}a^{8}-\frac{875248376}{3773961}a^{6}-\frac{96204034}{3773961}a^{4}$, $\frac{3359122}{3773961}a^{35}-\frac{510500}{1257987}a^{34}+\frac{8397805}{3773961}a^{33}-\frac{8391964}{3773961}a^{32}+\frac{23506672}{3773961}a^{31}-\frac{10636819}{1257987}a^{30}+\frac{23513407}{1257987}a^{29}-\frac{110850718}{3773961}a^{28}+\frac{24446928}{419329}a^{27}-\frac{123727604}{1257987}a^{26}+\frac{233458979}{1257987}a^{25}-\frac{407573413}{1257987}a^{24}+\frac{250254589}{419329}a^{23}+\frac{3036646288}{3773961}a^{22}+\frac{452472958}{419329}a^{21}+\frac{4563367237}{3773961}a^{20}+\frac{6009944066}{3773961}a^{19}+\frac{6876200776}{3773961}a^{18}+\frac{1074452369}{419329}a^{17}+\frac{1123314501}{419329}a^{16}+\frac{16114355591}{3773961}a^{15}+\frac{1530981153}{419329}a^{14}+\frac{9520431365}{1257987}a^{13}+\frac{5037003439}{1257987}a^{12}+\frac{18596779009}{1257987}a^{11}+\frac{332553078}{419329}a^{10}-\frac{1331891873}{3773961}a^{9}-\frac{1639196179}{1257987}a^{8}-\frac{263691077}{3773961}a^{7}-\frac{98599225}{3773961}a^{6}+\frac{217491319}{3773961}a^{5}-\frac{6433655}{1257987}a^{4}+\frac{14437283}{1257987}a^{3}-\frac{3441313}{3773961}a^{2}+\frac{988315}{419329}a$, $\frac{65870}{3773961}a^{35}-\frac{932074}{3773961}a^{34}+\frac{1330592}{3773961}a^{33}-\frac{332648}{419329}a^{32}+\frac{4657072}{3773961}a^{31}-\frac{9314144}{3773961}a^{30}+\frac{15634456}{3773961}a^{29}-\frac{29605672}{3773961}a^{28}+\frac{51560440}{3773961}a^{27}-\frac{95137328}{3773961}a^{26}+\frac{56217512}{1257987}a^{25}-\frac{102455584}{1257987}a^{24}+\frac{183178099}{1257987}a^{23}-\frac{857683774}{3773961}a^{22}-\frac{164445541}{3773961}a^{21}-\frac{442754488}{3773961}a^{20}-\frac{51227792}{419329}a^{19}-\frac{726835880}{3773961}a^{18}-\frac{638018864}{3773961}a^{17}-\frac{1276703024}{3773961}a^{16}-\frac{726170584}{3773961}a^{15}-\frac{2465254328}{3773961}a^{14}-\frac{263789864}{3773961}a^{13}-\frac{1797629792}{1257987}a^{12}+\frac{800018440}{1257987}a^{11}-\frac{4483351483}{1257987}a^{10}+\frac{10404884261}{3773961}a^{9}-\frac{2663955580}{3773961}a^{8}+\frac{94139384}{3773961}a^{7}-\frac{4657072}{419329}a^{6}+\frac{18628288}{3773961}a^{5}-\frac{8316200}{3773961}a^{4}+\frac{3659128}{3773961}a^{3}-\frac{1663240}{3773961}a^{2}+\frac{665296}{3773961}a-\frac{332648}{3773961}$, $\frac{29344}{3773961}a^{33}-\frac{3298}{3773961}a^{30}+\frac{308}{3773961}a^{27}+\frac{61446742}{3773961}a^{20}-\frac{6907258}{3773961}a^{17}+\frac{647357}{3773961}a^{14}-\frac{1091416871}{3773961}a^{7}+\frac{119964461}{3773961}a^{4}-\frac{8479996}{3773961}a$, $\frac{299314}{419329}a^{35}-\frac{149657}{419329}a^{34}+\frac{748285}{419329}a^{33}-\frac{746838}{419329}a^{32}+\frac{2095198}{419329}a^{31}-\frac{2843483}{419329}a^{30}+\frac{56569144}{3773961}a^{29}-\frac{9877362}{419329}a^{28}+\frac{19605067}{419329}a^{27}-\frac{33074197}{419329}a^{26}+\frac{62406969}{419329}a^{25}-\frac{326850898}{1257987}a^{24}+\frac{200690037}{419329}a^{23}+\frac{270579856}{419329}a^{22}+\frac{335231680}{419329}a^{21}+\frac{406618069}{419329}a^{20}+\frac{1612365355}{1257987}a^{19}+\frac{614042671}{419329}a^{18}+\frac{861425692}{419329}a^{17}+\frac{8107244968}{3773961}a^{16}+\frac{1435809258}{419329}a^{15}+\frac{1227786028}{419329}a^{14}+\frac{2544917285}{419329}a^{13}+\frac{1346464029}{419329}a^{12}+\frac{14913445966}{1257987}a^{11}+\frac{266688774}{419329}a^{10}-\frac{118678001}{419329}a^{9}+\frac{52828921}{419329}a^{8}-\frac{23496149}{419329}a^{7}-\frac{130480765}{1257987}a^{6}-\frac{4639367}{419329}a^{5}+\frac{2095198}{419329}a^{4}+\frac{34733341}{3773961}a^{3}+\frac{448971}{419329}a^{2}-\frac{149657}{419329}a+\frac{149657}{419329}$, $\frac{1597370}{3773961}a^{35}-\frac{421574}{1257987}a^{34}+\frac{4446439}{3773961}a^{33}-\frac{5398718}{3773961}a^{32}+\frac{13038556}{3773961}a^{31}-\frac{19369348}{3773961}a^{30}+\frac{40068086}{3773961}a^{29}-\frac{65761799}{3773961}a^{28}+\frac{42177158}{1257987}a^{27}-\frac{217986370}{3773961}a^{26}+\frac{135095896}{1257987}a^{25}-\frac{238243021}{1257987}a^{24}+\frac{435772448}{1257987}a^{23}+\frac{1013404292}{3773961}a^{22}+\frac{527688682}{1257987}a^{21}+\frac{1723790140}{3773961}a^{20}+\frac{2413438495}{3773961}a^{19}+\frac{2641671301}{3773961}a^{18}+\frac{3951303578}{3773961}a^{17}+\frac{3788073335}{3773961}a^{16}+\frac{6769660348}{3773961}a^{15}+\frac{1587920578}{1257987}a^{14}+\frac{12564927011}{3773961}a^{13}+\frac{1244205365}{1257987}a^{12}+\frac{8720260939}{1257987}a^{11}-\frac{2044045058}{1257987}a^{10}+\frac{2729099750}{3773961}a^{9}-\frac{404836334}{1257987}a^{8}+\frac{1026299533}{3773961}a^{7}+\frac{29066128}{3773961}a^{6}+\frac{376686946}{3773961}a^{5}-\frac{47539072}{3773961}a^{4}+\frac{64120781}{3773961}a^{3}-\frac{28309262}{3773961}a^{2}+\frac{480858}{419329}a-\frac{6237535}{3773961}$ 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:  \( 4866030378143.887 \) (assuming GRH)
sage: K.regulator()
 
gp: K.reg
 
magma: Regulator(K);
 
oscar: regulator(K)
 

Class number formula

\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{18}\cdot 4866030378143.887 \cdot 148}{26\cdot\sqrt{1102766555593920971763188134004988790509406708671598011853}}\cr\approx \mathstrut & 0.194293834986093 \end{aligned}\] (assuming GRH)

# self-contained SageMath code snippet to compute the analytic class number formula
 
x = polygen(QQ); K.<a> = NumberField(x^36 - x^35 + 3*x^34 - 4*x^33 + 9*x^32 - 14*x^31 + 28*x^30 - 47*x^29 + 89*x^28 - 155*x^27 + 286*x^26 - 507*x^25 + 924*x^24 + 442*x^23 + 899*x^22 + 909*x^21 + 1331*x^20 + 1386*x^19 + 2185*x^18 + 1918*x^17 + 3838*x^16 + 2183*x^15 + 7411*x^14 + 793*x^13 + 16212*x^12 - 7215*x^11 + 3211*x^10 - 1429*x^9 + 636*x^8 - 283*x^7 + 126*x^6 - 56*x^5 + 25*x^4 - 11*x^3 + 5*x^2 - 2*x + 1)
 
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^36 - x^35 + 3*x^34 - 4*x^33 + 9*x^32 - 14*x^31 + 28*x^30 - 47*x^29 + 89*x^28 - 155*x^27 + 286*x^26 - 507*x^25 + 924*x^24 + 442*x^23 + 899*x^22 + 909*x^21 + 1331*x^20 + 1386*x^19 + 2185*x^18 + 1918*x^17 + 3838*x^16 + 2183*x^15 + 7411*x^14 + 793*x^13 + 16212*x^12 - 7215*x^11 + 3211*x^10 - 1429*x^9 + 636*x^8 - 283*x^7 + 126*x^6 - 56*x^5 + 25*x^4 - 11*x^3 + 5*x^2 - 2*x + 1, 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^36 - x^35 + 3*x^34 - 4*x^33 + 9*x^32 - 14*x^31 + 28*x^30 - 47*x^29 + 89*x^28 - 155*x^27 + 286*x^26 - 507*x^25 + 924*x^24 + 442*x^23 + 899*x^22 + 909*x^21 + 1331*x^20 + 1386*x^19 + 2185*x^18 + 1918*x^17 + 3838*x^16 + 2183*x^15 + 7411*x^14 + 793*x^13 + 16212*x^12 - 7215*x^11 + 3211*x^10 - 1429*x^9 + 636*x^8 - 283*x^7 + 126*x^6 - 56*x^5 + 25*x^4 - 11*x^3 + 5*x^2 - 2*x + 1);
 
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^36 - x^35 + 3*x^34 - 4*x^33 + 9*x^32 - 14*x^31 + 28*x^30 - 47*x^29 + 89*x^28 - 155*x^27 + 286*x^26 - 507*x^25 + 924*x^24 + 442*x^23 + 899*x^22 + 909*x^21 + 1331*x^20 + 1386*x^19 + 2185*x^18 + 1918*x^17 + 3838*x^16 + 2183*x^15 + 7411*x^14 + 793*x^13 + 16212*x^12 - 7215*x^11 + 3211*x^10 - 1429*x^9 + 636*x^8 - 283*x^7 + 126*x^6 - 56*x^5 + 25*x^4 - 11*x^3 + 5*x^2 - 2*x + 1);
 
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

$C_3\times C_{12}$ (as 36T3):

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)
 
An abelian group of order 36
The 36 conjugacy class representatives for $C_3\times C_{12}$
Character table for $C_3\times C_{12}$

Intermediate fields

\(\Q(\sqrt{13}) \), 3.3.169.1, \(\Q(\zeta_{7})^+\), 3.3.8281.1, 3.3.8281.2, 4.0.2197.1, \(\Q(\zeta_{13})^+\), 6.6.5274997.1, 6.6.891474493.1, 6.6.891474493.2, 9.9.567869252041.1, \(\Q(\zeta_{13})\), 12.0.61132828589969773.1, 12.0.10331448031704891637.1, 12.0.10331448031704891637.2, 18.18.708478645847689707516501157.1

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]
 

Frobenius cycle types

$p$ $2$ $3$ $5$ $7$ $11$ $13$ $17$ $19$ $23$ $29$ $31$ $37$ $41$ $43$ $47$ $53$ $59$
Cycle type ${\href{/padicField/2.12.0.1}{12} }^{3}$ ${\href{/padicField/3.3.0.1}{3} }^{12}$ ${\href{/padicField/5.12.0.1}{12} }^{3}$ R ${\href{/padicField/11.12.0.1}{12} }^{3}$ R ${\href{/padicField/17.6.0.1}{6} }^{6}$ ${\href{/padicField/19.12.0.1}{12} }^{3}$ ${\href{/padicField/23.6.0.1}{6} }^{6}$ ${\href{/padicField/29.3.0.1}{3} }^{12}$ ${\href{/padicField/31.12.0.1}{12} }^{3}$ ${\href{/padicField/37.12.0.1}{12} }^{3}$ ${\href{/padicField/41.12.0.1}{12} }^{3}$ ${\href{/padicField/43.6.0.1}{6} }^{6}$ ${\href{/padicField/47.12.0.1}{12} }^{3}$ ${\href{/padicField/53.3.0.1}{3} }^{12}$ ${\href{/padicField/59.12.0.1}{12} }^{3}$

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
\(7\) Copy content Toggle raw display Deg $36$$3$$12$$24$
\(13\) Copy content Toggle raw display 13.12.11.4$x^{12} + 13$$12$$1$$11$$C_{12}$$[\ ]_{12}$
13.12.11.4$x^{12} + 13$$12$$1$$11$$C_{12}$$[\ ]_{12}$
13.12.11.4$x^{12} + 13$$12$$1$$11$$C_{12}$$[\ ]_{12}$