Normalized defining polynomial
\( x^{12} - 3 x^{11} - 36 x^{10} + 106 x^{9} + 393 x^{8} - 1164 x^{7} - 1350 x^{6} + 4794 x^{5} + 441 x^{4} - 6643 x^{3} + 1926 x^{2} + 2865 x - 1349 \)
Invariants
| Degree: | $12$ | magma: Degree(K);
sage: K.degree()
gp: poldegree(K.pol)
| |
| Signature: | $[12, 0]$ | magma: Signature(K);
sage: K.signature()
gp: K.sign
| |
| Discriminant: | \(9891413435408203125=3^{16}\cdot 5^{9}\cdot 7^{6}\) | magma: Discriminant(Integers(K));
sage: K.disc()
gp: K.disc
| |
| Root discriminant: | $38.28$ | 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: | $3, 5, 7$ | magma: PrimeDivisors(Discriminant(Integers(K)));
sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
| |
| This field is Galois and abelian over $\Q$. | |||
| Conductor: | \(315=3^{2}\cdot 5\cdot 7\) | ||
| Dirichlet character group: | $\lbrace$$\chi_{315}(64,·)$, $\chi_{315}(1,·)$, $\chi_{315}(211,·)$, $\chi_{315}(97,·)$, $\chi_{315}(169,·)$, $\chi_{315}(202,·)$, $\chi_{315}(13,·)$, $\chi_{315}(274,·)$, $\chi_{315}(307,·)$, $\chi_{315}(118,·)$, $\chi_{315}(106,·)$, $\chi_{315}(223,·)$$\rbrace$ | ||
| This is not a CM field. | |||
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $\frac{1}{19} a^{9} + \frac{4}{19} a^{8} + \frac{1}{19} a^{7} + \frac{8}{19} a^{6} + \frac{8}{19} a^{5} + \frac{1}{19} a^{4} - \frac{5}{19} a^{3} - \frac{8}{19} a^{2} + \frac{9}{19} a$, $\frac{1}{19} a^{10} + \frac{4}{19} a^{8} + \frac{4}{19} a^{7} - \frac{5}{19} a^{6} + \frac{7}{19} a^{5} - \frac{9}{19} a^{4} - \frac{7}{19} a^{3} + \frac{3}{19} a^{2} + \frac{2}{19} a$, $\frac{1}{1045156909429} a^{11} - \frac{2242936008}{1045156909429} a^{10} - \frac{24144692793}{1045156909429} a^{9} + \frac{33669755457}{1045156909429} a^{8} + \frac{316103098293}{1045156909429} a^{7} + \frac{99583078814}{1045156909429} a^{6} - \frac{5713060868}{11743336061} a^{5} - \frac{443185672267}{1045156909429} a^{4} + \frac{71685496487}{1045156909429} a^{3} + \frac{420826743567}{1045156909429} a^{2} - \frac{234702917662}{1045156909429} a + \frac{20409816750}{55008258391}$
Class group and class number
Trivial group, which has order $1$ (assuming GRH)
Unit group
| Rank: | $11$ | 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: | \( 413348.51768 \) (assuming GRH) | magma: Regulator(K);
sage: K.regulator()
gp: K.reg
|
Galois group
| A cyclic group of order 12 |
| The 12 conjugacy class representatives for $C_{12}$ |
| Character table for $C_{12}$ |
Intermediate fields
| \(\Q(\sqrt{5}) \), \(\Q(\zeta_{9})^+\), 4.4.6125.1, 6.6.820125.1 |
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 | ${\href{/LocalNumberField/2.12.0.1}{12} }$ | R | R | R | ${\href{/LocalNumberField/11.3.0.1}{3} }^{4}$ | ${\href{/LocalNumberField/13.12.0.1}{12} }$ | ${\href{/LocalNumberField/17.4.0.1}{4} }^{3}$ | ${\href{/LocalNumberField/19.1.0.1}{1} }^{12}$ | ${\href{/LocalNumberField/23.12.0.1}{12} }$ | ${\href{/LocalNumberField/29.6.0.1}{6} }^{2}$ | ${\href{/LocalNumberField/31.6.0.1}{6} }^{2}$ | ${\href{/LocalNumberField/37.4.0.1}{4} }^{3}$ | ${\href{/LocalNumberField/41.6.0.1}{6} }^{2}$ | ${\href{/LocalNumberField/43.12.0.1}{12} }$ | ${\href{/LocalNumberField/47.12.0.1}{12} }$ | ${\href{/LocalNumberField/53.4.0.1}{4} }^{3}$ | ${\href{/LocalNumberField/59.3.0.1}{3} }^{4}$ |
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 |
|---|---|---|---|---|---|---|---|
| $3$ | 3.12.16.14 | $x^{12} + 72 x^{11} - 36 x^{10} + 108 x^{9} - 108 x^{8} + 54 x^{7} + 72 x^{6} - 81 x^{5} - 81 x^{4} - 81 x^{3} + 81 x^{2} - 81$ | $3$ | $4$ | $16$ | $C_{12}$ | $[2]^{4}$ |
| $5$ | 5.12.9.1 | $x^{12} - 10 x^{8} - 375 x^{4} - 2000$ | $4$ | $3$ | $9$ | $C_{12}$ | $[\ ]_{4}^{3}$ |
| $7$ | 7.12.6.2 | $x^{12} + 7203 x^{4} - 16807 x^{2} + 588245$ | $2$ | $6$ | $6$ | $C_{12}$ | $[\ ]_{2}^{6}$ |