Normalized defining polynomial
\( x^{12} + 1092x^{10} + 286650x^{8} + 29857464x^{6} + 1314691560x^{4} + 22086818208x^{2} + 115955795592 \)
Invariants
Degree: | $12$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
| |
Signature: | $[0, 6]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
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Discriminant: | \(101563848359892128205077741568\) \(\medspace = 2^{33}\cdot 3^{6}\cdot 7^{6}\cdot 13^{10}\) | 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: | \(261.35\) | 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: | $2^{11/4}3^{1/2}7^{1/2}13^{5/6}\approx 261.35346503452513$ | ||
Ramified primes: | \(2\), \(3\), \(7\), \(13\) | 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: | \(4368=2^{4}\cdot 3\cdot 7\cdot 13\) | ||
Dirichlet character group: | $\lbrace$$\chi_{4368}(3611,·)$, $\chi_{4368}(1,·)$, $\chi_{4368}(1091,·)$, $\chi_{4368}(4033,·)$, $\chi_{4368}(841,·)$, $\chi_{4368}(3275,·)$, $\chi_{4368}(2435,·)$, $\chi_{4368}(3025,·)$, $\chi_{4368}(1427,·)$, $\chi_{4368}(2185,·)$, $\chi_{4368}(1849,·)$, $\chi_{4368}(251,·)$$\rbrace$ | ||
This is a CM field. | |||
Reflex fields: | 4.0.152635392.5$^{2}$, 12.0.101563848359892128205077741568.1$^{30}$ |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $\frac{1}{21}a^{2}$, $\frac{1}{21}a^{3}$, $\frac{1}{882}a^{4}$, $\frac{1}{882}a^{5}$, $\frac{1}{240786}a^{6}$, $\frac{1}{240786}a^{7}$, $\frac{1}{50565060}a^{8}+\frac{1}{2205}a^{4}+\frac{2}{5}$, $\frac{1}{50565060}a^{9}+\frac{1}{2205}a^{5}+\frac{2}{5}a$, $\frac{1}{32917854060}a^{10}-\frac{1}{261252810}a^{8}-\frac{59}{37321830}a^{6}-\frac{1}{3255}a^{4}+\frac{11}{465}a^{2}-\frac{22}{155}$, $\frac{1}{32917854060}a^{11}-\frac{1}{261252810}a^{9}-\frac{59}{37321830}a^{7}-\frac{1}{3255}a^{5}+\frac{11}{465}a^{3}-\frac{22}{155}a$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
$C_{2}\times C_{2}\times C_{10}\times C_{45370}$, which has order $1814800$ (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)
| |
Fundamental units: | $\frac{1}{6583570812}a^{10}+\frac{2}{11196549}a^{8}+\frac{29}{533169}a^{6}+\frac{8}{1519}a^{4}+\frac{11}{93}a^{2}-\frac{53}{31}$, $\frac{1}{1266071310}a^{10}+\frac{127}{156751686}a^{8}+\frac{251}{1435455}a^{6}+\frac{383}{27342}a^{4}+\frac{1382}{3255}a^{2}+\frac{84}{31}$, $\frac{1}{783758430}a^{10}+\frac{61}{44786196}a^{8}+\frac{53}{159495}a^{6}+\frac{13}{434}a^{4}+\frac{154}{155}a^{2}+\frac{305}{31}$, $\frac{73}{32917854060}a^{10}+\frac{737}{313503372}a^{8}+\frac{499}{888615}a^{6}+\frac{673}{13671}a^{4}+\frac{1667}{1085}a^{2}+\frac{367}{31}$, $\frac{47}{32917854060}a^{10}+\frac{23}{14928732}a^{8}+\frac{7216}{18660915}a^{6}+\frac{107}{3038}a^{4}+\frac{517}{465}a^{2}+\frac{252}{31}$ (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: | \( 930.6875006453596 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{6}\cdot 930.6875006453596 \cdot 1814800}{2\cdot\sqrt{101563848359892128205077741568}}\cr\approx \mathstrut & 0.163046804698340 \end{aligned}\] (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
\(\Q(\sqrt{2}) \), 3.3.169.1, 4.0.152635392.5, 6.6.14623232.1 |
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 | ${\href{/padicField/5.4.0.1}{4} }^{3}$ | R | ${\href{/padicField/11.12.0.1}{12} }$ | R | ${\href{/padicField/17.3.0.1}{3} }^{4}$ | ${\href{/padicField/19.12.0.1}{12} }$ | ${\href{/padicField/23.6.0.1}{6} }^{2}$ | ${\href{/padicField/29.12.0.1}{12} }$ | ${\href{/padicField/31.2.0.1}{2} }^{6}$ | ${\href{/padicField/37.12.0.1}{12} }$ | ${\href{/padicField/41.3.0.1}{3} }^{4}$ | ${\href{/padicField/43.12.0.1}{12} }$ | ${\href{/padicField/47.1.0.1}{1} }^{12}$ | ${\href{/padicField/53.4.0.1}{4} }^{3}$ | ${\href{/padicField/59.12.0.1}{12} }$ |
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 |
---|---|---|---|---|---|---|---|
\(2\) | 2.12.33.344 | $x^{12} + 56 x^{10} - 392 x^{9} + 226 x^{8} - 640 x^{7} - 2480 x^{6} + 3968 x^{5} + 1276 x^{4} - 384 x^{3} + 9280 x^{2} + 24224 x + 31544$ | $4$ | $3$ | $33$ | $C_{12}$ | $[3, 4]^{3}$ |
\(3\) | 3.12.6.1 | $x^{12} + 18 x^{8} + 81 x^{4} - 486 x^{2} + 1458$ | $2$ | $6$ | $6$ | $C_{12}$ | $[\ ]_{2}^{6}$ |
\(7\) | 7.6.3.1 | $x^{6} + 861 x^{5} + 33033 x^{4} + 1385475 x^{3} + 277830 x^{2} + 8232 x - 1372$ | $2$ | $3$ | $3$ | $C_6$ | $[\ ]_{2}^{3}$ |
7.6.3.1 | $x^{6} + 861 x^{5} + 33033 x^{4} + 1385475 x^{3} + 277830 x^{2} + 8232 x - 1372$ | $2$ | $3$ | $3$ | $C_6$ | $[\ ]_{2}^{3}$ | |
\(13\) | 13.12.10.5 | $x^{12} - 1586 x^{6} - 198575$ | $6$ | $2$ | $10$ | $C_{12}$ | $[\ ]_{6}^{2}$ |