Normalized defining polynomial
\( x^{12} + 696x^{10} + 151380x^{8} + 13462728x^{6} + 534704436x^{4} + 8860816368x^{2} + 42827279112 \)
Invariants
Degree: | $12$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
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Signature: | $[0, 6]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
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Discriminant: | \(1979522439778248324859035648\) \(\medspace = 2^{33}\cdot 3^{18}\cdot 29^{6}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
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Root discriminant: | \(188.24\) | 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))
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Galois root discriminant: | $2^{11/4}3^{3/2}29^{1/2}\approx 188.2406306269193$ | ||
Ramified primes: | \(2\), \(3\), \(29\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
| |
Discriminant root field: | \(\Q(\sqrt{2}) \) | ||
$\card{ \Gal(K/\Q) }$: | $12$ | sage: K.automorphisms()
magma: Automorphisms(K);
oscar: automorphisms(K)
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This field is Galois and abelian over $\Q$. | |||
Conductor: | \(4176=2^{4}\cdot 3^{2}\cdot 29\) | ||
Dirichlet character group: | $\lbrace$$\chi_{4176}(1,·)$, $\chi_{4176}(3653,·)$, $\chi_{4176}(2785,·)$, $\chi_{4176}(2089,·)$, $\chi_{4176}(2957,·)$, $\chi_{4176}(173,·)$, $\chi_{4176}(1393,·)$, $\chi_{4176}(2261,·)$, $\chi_{4176}(3481,·)$, $\chi_{4176}(697,·)$, $\chi_{4176}(1565,·)$, $\chi_{4176}(869,·)$$\rbrace$ | ||
This is a CM field. | |||
Reflex fields: | 4.0.15501312.6$^{2}$, 12.0.1979522439778248324859035648.1$^{30}$ |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $\frac{1}{29}a^{2}$, $\frac{1}{29}a^{3}$, $\frac{1}{1682}a^{4}$, $\frac{1}{1682}a^{5}$, $\frac{1}{146334}a^{6}$, $\frac{1}{146334}a^{7}$, $\frac{1}{8487372}a^{8}$, $\frac{1}{8487372}a^{9}$, $\frac{1}{4184274396}a^{10}-\frac{7}{144285324}a^{8}+\frac{1}{829226}a^{6}-\frac{7}{28594}a^{4}-\frac{7}{493}a^{2}-\frac{2}{17}$, $\frac{1}{4184274396}a^{11}-\frac{7}{144285324}a^{9}+\frac{1}{829226}a^{7}-\frac{7}{28594}a^{5}-\frac{7}{493}a^{3}-\frac{2}{17}a$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
$C_{2}\times C_{533234}$, which has order $1066468$ (assuming GRH)
Unit group
Rank: | $5$ | sage: UK.rank()
gp: K.fu
magma: UnitRank(K);
oscar: rank(UK)
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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)
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Fundamental units: | $\frac{5}{2092137198}a^{10}+\frac{59}{36071331}a^{8}+\frac{141}{414613}a^{6}+\frac{763}{28594}a^{4}+\frac{372}{493}a^{2}+\frac{82}{17}$, $\frac{3}{697379066}a^{10}+\frac{401}{144285324}a^{8}+\frac{213}{414613}a^{6}+\frac{945}{28594}a^{4}+\frac{384}{493}a^{2}+\frac{100}{17}$, $\frac{11}{2092137198}a^{10}+\frac{41}{12023777}a^{8}+\frac{1579}{2487678}a^{6}+\frac{586}{14297}a^{4}+\frac{441}{493}a^{2}+\frac{41}{17}$, $\frac{1}{697379066}a^{10}+\frac{5}{4975356}a^{8}+\frac{545}{2487678}a^{6}+\frac{268}{14297}a^{4}+\frac{315}{493}a^{2}+\frac{124}{17}$, $\frac{10}{1046068599}a^{10}+\frac{893}{144285324}a^{8}+\frac{2857}{2487678}a^{6}+\frac{73}{986}a^{4}+\frac{825}{493}a^{2}+\frac{158}{17}$ (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)]
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Regulator: | \( 481.70037561485367 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{6}\cdot 481.70037561485367 \cdot 1066468}{2\cdot\sqrt{1979522439778248324859035648}}\cr\approx \mathstrut & 0.355217058431051 \end{aligned}\] (assuming GRH)
Galois group
A cyclic group of order 12 |
The 12 conjugacy class representatives for $C_{12}$ |
Character table for $C_{12}$ |
Intermediate fields
\(\Q(\sqrt{2}) \), \(\Q(\zeta_{9})^+\), 4.0.15501312.6, 6.6.3359232.1 |
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 | R | ${\href{/padicField/5.12.0.1}{12} }$ | ${\href{/padicField/7.6.0.1}{6} }^{2}$ | ${\href{/padicField/11.12.0.1}{12} }$ | ${\href{/padicField/13.12.0.1}{12} }$ | ${\href{/padicField/17.1.0.1}{1} }^{12}$ | ${\href{/padicField/19.4.0.1}{4} }^{3}$ | ${\href{/padicField/23.3.0.1}{3} }^{4}$ | R | ${\href{/padicField/31.6.0.1}{6} }^{2}$ | ${\href{/padicField/37.4.0.1}{4} }^{3}$ | ${\href{/padicField/41.6.0.1}{6} }^{2}$ | ${\href{/padicField/43.12.0.1}{12} }$ | ${\href{/padicField/47.3.0.1}{3} }^{4}$ | ${\href{/padicField/53.4.0.1}{4} }^{3}$ | ${\href{/padicField/59.12.0.1}{12} }$ |
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 |
---|---|---|---|---|---|---|---|
\(2\) | 2.12.33.375 | $x^{12} + 80 x^{10} - 264 x^{9} - 638 x^{8} + 64 x^{7} + 208 x^{6} + 3904 x^{5} + 8348 x^{4} + 10496 x^{3} + 13152 x^{2} + 7200 x + 6392$ | $4$ | $3$ | $33$ | $C_{12}$ | $[3, 4]^{3}$ |
\(3\) | 3.12.18.74 | $x^{12} + 12 x^{11} + 42 x^{10} + 42 x^{9} + 54 x^{8} + 18 x^{7} - 33 x^{6} - 252 x^{5} - 126 x^{3} + 882$ | $6$ | $2$ | $18$ | $C_{12}$ | $[2]_{2}^{2}$ |
\(29\) | 29.12.6.2 | $x^{12} + 841 x^{8} - 609725 x^{6} + 12023777 x^{4} - 266644937 x^{2} + 1189646642$ | $2$ | $6$ | $6$ | $C_{12}$ | $[\ ]_{2}^{6}$ |