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Properties

Label 14.0.23184414993...8416.1
Degree $14$
Signature $[0, 7]$
Discriminant $-\,2^{14}\cdot 7^{7}\cdot 43^{13}$
Root discriminant $173.93$
Ramified primes $2, 7, 43$
Class number $251392$ (GRH)
Class group $[2, 2, 2, 2, 2, 2, 2, 1964]$ (GRH)
Galois group $C_{14}$ (as 14T1)

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Show commands for: Magma / SageMath / Pari/GP

magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(R![35412349, 0, 359182397, 0, 151767210, 0, 20442114, 0, 1165171, 0, 29498, 0, 301, 0, 1]);
 
sage: x = polygen(QQ); K.<a> = NumberField(x^14 + 301*x^12 + 29498*x^10 + 1165171*x^8 + 20442114*x^6 + 151767210*x^4 + 359182397*x^2 + 35412349)
 
gp: K = bnfinit(x^14 + 301*x^12 + 29498*x^10 + 1165171*x^8 + 20442114*x^6 + 151767210*x^4 + 359182397*x^2 + 35412349, 1)
 

Normalized defining polynomial

\( x^{14} + 301 x^{12} + 29498 x^{10} + 1165171 x^{8} + 20442114 x^{6} + 151767210 x^{4} + 359182397 x^{2} + 35412349 \)

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

Invariants

Degree:  $14$
magma: Degree(K);
 
sage: K.degree()
 
gp: poldegree(K.pol)
 
Signature:  $[0, 7]$
magma: Signature(K);
 
sage: K.signature()
 
gp: K.sign
 
Discriminant:  \(-23184414993675232872880143548416=-\,2^{14}\cdot 7^{7}\cdot 43^{13}\)
magma: Discriminant(Integers(K));
 
sage: K.disc()
 
gp: K.disc
 
Root discriminant:  $173.93$
magma: Abs(Discriminant(Integers(K)))^(1/Degree(K));
 
sage: (K.disc().abs())^(1./K.degree())
 
gp: abs(K.disc)^(1/poldegree(K.pol))
 
Ramified primes:  $2, 7, 43$
magma: PrimeDivisors(Discriminant(Integers(K)));
 
sage: K.disc().support()
 
gp: factor(abs(K.disc))[,1]~
 
This field is Galois and abelian over $\Q$.
Conductor:  \(1204=2^{2}\cdot 7\cdot 43\)
Dirichlet character group:    $\lbrace$$\chi_{1204}(1,·)$, $\chi_{1204}(419,·)$, $\chi_{1204}(839,·)$, $\chi_{1204}(365,·)$, $\chi_{1204}(785,·)$, $\chi_{1204}(1203,·)$, $\chi_{1204}(981,·)$, $\chi_{1204}(727,·)$, $\chi_{1204}(1177,·)$, $\chi_{1204}(729,·)$, $\chi_{1204}(27,·)$, $\chi_{1204}(477,·)$, $\chi_{1204}(475,·)$, $\chi_{1204}(223,·)$$\rbrace$
This is a CM field.

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

$1$, $a$, $\frac{1}{7} a^{2}$, $\frac{1}{7} a^{3}$, $\frac{1}{49} a^{4}$, $\frac{1}{49} a^{5}$, $\frac{1}{2401} a^{6} + \frac{1}{7}$, $\frac{1}{2401} a^{7} + \frac{1}{7} a$, $\frac{1}{16807} a^{8} + \frac{1}{49} a^{2}$, $\frac{1}{16807} a^{9} + \frac{1}{49} a^{3}$, $\frac{1}{4353013} a^{10} - \frac{4}{621859} a^{8} + \frac{9}{88837} a^{6} - \frac{118}{12691} a^{4} + \frac{38}{1813} a^{2} - \frac{54}{259}$, $\frac{1}{4353013} a^{11} - \frac{4}{621859} a^{9} + \frac{9}{88837} a^{7} - \frac{118}{12691} a^{5} + \frac{38}{1813} a^{3} - \frac{54}{259} a$, $\frac{1}{117953593261} a^{12} + \frac{261}{2407216189} a^{10} - \frac{699}{49126861} a^{8} + \frac{57542}{343888027} a^{6} - \frac{45253}{7018123} a^{4} + \frac{1292}{143227} a^{2} - \frac{348032}{1002589}$, $\frac{1}{117953593261} a^{13} + \frac{261}{2407216189} a^{11} - \frac{699}{49126861} a^{9} + \frac{57542}{343888027} a^{7} - \frac{45253}{7018123} a^{5} + \frac{1292}{143227} a^{3} - \frac{348032}{1002589} a$

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

Class group and class number

$C_{2}\times C_{2}\times C_{2}\times C_{2}\times C_{2}\times C_{2}\times C_{2}\times C_{1964}$, which has order $251392$ (assuming GRH)

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

Unit group

magma: UK, f := UnitGroup(K);
 
sage: UK = K.unit_group()
 
Rank:  $6$
magma: UnitRank(K);
 
sage: UK.rank()
 
gp: K.fu
 
Torsion generator:  \( -1 \) (order $2$)
magma: K!f(TU.1) where TU,f is TorsionUnitGroup(K);
 
sage: UK.torsion_generator()
 
gp: K.tu[2]
 
Fundamental units:  Units are too long to display, but can be downloaded with other data for this field from 'Stored data to gp' link to the right (assuming GRH)
magma: [K!f(g): g in Generators(UK)];
 
sage: UK.fundamental_units()
 
gp: K.fu
 
Regulator:  \( 35991.64185055774 \) (assuming GRH)
magma: Regulator(K);
 
sage: K.regulator()
 
gp: K.reg
 

Galois group

$C_{14}$ (as 14T1):

magma: GaloisGroup(K);
 
sage: K.galois_group(type='pari')
 
gp: polgalois(K.pol)
 
A cyclic group of order 14
The 14 conjugacy class representatives for $C_{14}$
Character table for $C_{14}$

Intermediate fields

\(\Q(\sqrt{-301}) \), 7.7.6321363049.1

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

Frobenius cycle types

$p$ 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59
Cycle type R ${\href{/LocalNumberField/3.14.0.1}{14} }$ ${\href{/LocalNumberField/5.7.0.1}{7} }^{2}$ R ${\href{/LocalNumberField/11.14.0.1}{14} }$ ${\href{/LocalNumberField/13.14.0.1}{14} }$ ${\href{/LocalNumberField/17.14.0.1}{14} }$ ${\href{/LocalNumberField/19.14.0.1}{14} }$ ${\href{/LocalNumberField/23.14.0.1}{14} }$ ${\href{/LocalNumberField/29.14.0.1}{14} }$ ${\href{/LocalNumberField/31.7.0.1}{7} }^{2}$ ${\href{/LocalNumberField/37.2.0.1}{2} }^{7}$ ${\href{/LocalNumberField/41.14.0.1}{14} }$ R ${\href{/LocalNumberField/47.7.0.1}{7} }^{2}$ ${\href{/LocalNumberField/53.7.0.1}{7} }^{2}$ ${\href{/LocalNumberField/59.7.0.1}{7} }^{2}$

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

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

Local algebras for ramified primes

$p$LabelPolynomial $e$ $f$ $c$ Galois group Slope content
$2$2.14.14.15$x^{14} + 2 x^{13} + x^{12} + 4 x^{11} - 2 x^{10} + 2 x^{9} + 4 x^{8} - 2 x^{6} + 4 x^{5} + 4 x^{4} + 2 x^{3} + 4 x^{2} + 1$$2$$7$$14$$C_{14}$$[2]^{7}$
$7$7.2.1.2$x^{2} + 14$$2$$1$$1$$C_2$$[\ ]_{2}$
7.2.1.2$x^{2} + 14$$2$$1$$1$$C_2$$[\ ]_{2}$
7.2.1.2$x^{2} + 14$$2$$1$$1$$C_2$$[\ ]_{2}$
7.2.1.2$x^{2} + 14$$2$$1$$1$$C_2$$[\ ]_{2}$
7.2.1.2$x^{2} + 14$$2$$1$$1$$C_2$$[\ ]_{2}$
7.2.1.2$x^{2} + 14$$2$$1$$1$$C_2$$[\ ]_{2}$
7.2.1.2$x^{2} + 14$$2$$1$$1$$C_2$$[\ ]_{2}$
$43$43.14.13.1$x^{14} - 43$$14$$1$$13$$C_{14}$$[\ ]_{14}$