Normalized defining polynomial
\( x^{24} - x^{23} - x^{22} + 3 x^{21} - x^{20} - 5 x^{19} + 7 x^{18} + 3 x^{17} - 17 x^{16} + 11 x^{15} + \cdots + 4096 \)
Invariants
Degree: | $24$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
| |
Signature: | $[0, 12]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
| |
Discriminant: | \(44455984353110737022824200630534169\) \(\medspace = 7^{12}\cdot 13^{22}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
| |
Root discriminant: | \(27.78\) | 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: | $7^{1/2}13^{11/12}\approx 27.775619852565686$ | ||
Ramified primes: | \(7\), \(13\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
| |
Discriminant root field: | \(\Q\) | ||
$\card{ \Gal(K/\Q) }$: | $24$ | 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$$\chi_{91}(64,·)$, $\chi_{91}(1,·)$, $\chi_{91}(69,·)$, $\chi_{91}(6,·)$, $\chi_{91}(71,·)$, $\chi_{91}(8,·)$, $\chi_{91}(76,·)$, $\chi_{91}(15,·)$, $\chi_{91}(83,·)$, $\chi_{91}(20,·)$, $\chi_{91}(85,·)$, $\chi_{91}(22,·)$, $\chi_{91}(90,·)$, $\chi_{91}(27,·)$, $\chi_{91}(29,·)$, $\chi_{91}(34,·)$, $\chi_{91}(36,·)$, $\chi_{91}(41,·)$, $\chi_{91}(43,·)$, $\chi_{91}(48,·)$, $\chi_{91}(50,·)$, $\chi_{91}(55,·)$, $\chi_{91}(57,·)$, $\chi_{91}(62,·)$$\rbrace$ | ||
This is a CM field. | |||
Reflex fields: | unavailable$^{2048}$ |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $\frac{1}{2}a^{13}-\frac{1}{2}a^{12}-\frac{1}{2}a^{11}-\frac{1}{2}a^{10}-\frac{1}{2}a^{9}-\frac{1}{2}a^{8}-\frac{1}{2}a^{7}-\frac{1}{2}a^{6}-\frac{1}{2}a^{5}-\frac{1}{2}a^{4}-\frac{1}{2}a^{3}-\frac{1}{2}a^{2}-\frac{1}{2}a$, $\frac{1}{4}a^{14}-\frac{1}{4}a^{13}-\frac{1}{4}a^{12}-\frac{1}{4}a^{11}-\frac{1}{4}a^{10}-\frac{1}{4}a^{9}-\frac{1}{4}a^{8}-\frac{1}{4}a^{7}-\frac{1}{4}a^{6}-\frac{1}{4}a^{5}-\frac{1}{4}a^{4}-\frac{1}{4}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a$, $\frac{1}{8}a^{15}-\frac{1}{8}a^{14}-\frac{1}{8}a^{13}+\frac{3}{8}a^{12}-\frac{1}{8}a^{11}+\frac{3}{8}a^{10}-\frac{1}{8}a^{9}+\frac{3}{8}a^{8}-\frac{1}{8}a^{7}+\frac{3}{8}a^{6}-\frac{1}{8}a^{5}+\frac{3}{8}a^{4}-\frac{1}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a$, $\frac{1}{16}a^{16}-\frac{1}{16}a^{15}-\frac{1}{16}a^{14}+\frac{3}{16}a^{13}-\frac{1}{16}a^{12}-\frac{5}{16}a^{11}+\frac{7}{16}a^{10}+\frac{3}{16}a^{9}-\frac{1}{16}a^{8}-\frac{5}{16}a^{7}+\frac{7}{16}a^{6}+\frac{3}{16}a^{5}-\frac{1}{16}a^{4}+\frac{3}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a$, $\frac{1}{32}a^{17}-\frac{1}{32}a^{16}-\frac{1}{32}a^{15}+\frac{3}{32}a^{14}-\frac{1}{32}a^{13}-\frac{5}{32}a^{12}+\frac{7}{32}a^{11}+\frac{3}{32}a^{10}+\frac{15}{32}a^{9}+\frac{11}{32}a^{8}-\frac{9}{32}a^{7}-\frac{13}{32}a^{6}-\frac{1}{32}a^{5}+\frac{3}{16}a^{4}-\frac{1}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a$, $\frac{1}{64}a^{18}-\frac{1}{64}a^{17}-\frac{1}{64}a^{16}+\frac{3}{64}a^{15}-\frac{1}{64}a^{14}-\frac{5}{64}a^{13}+\frac{7}{64}a^{12}+\frac{3}{64}a^{11}-\frac{17}{64}a^{10}+\frac{11}{64}a^{9}+\frac{23}{64}a^{8}+\frac{19}{64}a^{7}-\frac{1}{64}a^{6}-\frac{13}{32}a^{5}+\frac{7}{16}a^{4}+\frac{3}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a$, $\frac{1}{128}a^{19}-\frac{1}{128}a^{18}-\frac{1}{128}a^{17}+\frac{3}{128}a^{16}-\frac{1}{128}a^{15}-\frac{5}{128}a^{14}+\frac{7}{128}a^{13}+\frac{3}{128}a^{12}-\frac{17}{128}a^{11}+\frac{11}{128}a^{10}+\frac{23}{128}a^{9}-\frac{45}{128}a^{8}-\frac{1}{128}a^{7}+\frac{19}{64}a^{6}-\frac{9}{32}a^{5}-\frac{5}{16}a^{4}-\frac{1}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a$, $\frac{1}{256}a^{20}-\frac{1}{256}a^{19}-\frac{1}{256}a^{18}+\frac{3}{256}a^{17}-\frac{1}{256}a^{16}-\frac{5}{256}a^{15}+\frac{7}{256}a^{14}+\frac{3}{256}a^{13}-\frac{17}{256}a^{12}+\frac{11}{256}a^{11}+\frac{23}{256}a^{10}-\frac{45}{256}a^{9}-\frac{1}{256}a^{8}-\frac{45}{128}a^{7}+\frac{23}{64}a^{6}+\frac{11}{32}a^{5}-\frac{1}{16}a^{4}+\frac{3}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a$, $\frac{1}{512}a^{21}-\frac{1}{512}a^{20}-\frac{1}{512}a^{19}+\frac{3}{512}a^{18}-\frac{1}{512}a^{17}-\frac{5}{512}a^{16}+\frac{7}{512}a^{15}+\frac{3}{512}a^{14}-\frac{17}{512}a^{13}+\frac{11}{512}a^{12}+\frac{23}{512}a^{11}-\frac{45}{512}a^{10}-\frac{1}{512}a^{9}-\frac{45}{256}a^{8}+\frac{23}{128}a^{7}+\frac{11}{64}a^{6}+\frac{15}{32}a^{5}+\frac{3}{16}a^{4}-\frac{1}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a$, $\frac{1}{1024}a^{22}-\frac{1}{1024}a^{21}-\frac{1}{1024}a^{20}+\frac{3}{1024}a^{19}-\frac{1}{1024}a^{18}-\frac{5}{1024}a^{17}+\frac{7}{1024}a^{16}+\frac{3}{1024}a^{15}-\frac{17}{1024}a^{14}+\frac{11}{1024}a^{13}+\frac{23}{1024}a^{12}-\frac{45}{1024}a^{11}-\frac{1}{1024}a^{10}-\frac{45}{512}a^{9}+\frac{23}{256}a^{8}+\frac{11}{128}a^{7}-\frac{17}{64}a^{6}+\frac{3}{32}a^{5}+\frac{7}{16}a^{4}+\frac{3}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a$, $\frac{1}{2048}a^{23}-\frac{1}{2048}a^{22}-\frac{1}{2048}a^{21}+\frac{3}{2048}a^{20}-\frac{1}{2048}a^{19}-\frac{5}{2048}a^{18}+\frac{7}{2048}a^{17}+\frac{3}{2048}a^{16}-\frac{17}{2048}a^{15}+\frac{11}{2048}a^{14}+\frac{23}{2048}a^{13}-\frac{45}{2048}a^{12}-\frac{1}{2048}a^{11}-\frac{45}{1024}a^{10}+\frac{23}{512}a^{9}+\frac{11}{256}a^{8}-\frac{17}{128}a^{7}+\frac{3}{64}a^{6}+\frac{7}{32}a^{5}-\frac{5}{16}a^{4}-\frac{1}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}a$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
$C_{7}$, which has order $7$ (assuming GRH)
Unit group
Rank: | $11$ | sage: UK.rank()
gp: K.fu
magma: UnitRank(K);
oscar: rank(UK)
| |
Torsion generator: | \( -\frac{1}{2} a^{14} + \frac{91}{2} a \) (order $26$) | 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: | $\frac{7}{128}a^{20}-\frac{627}{128}a^{7}+1$, $\frac{1}{2}a^{14}-\frac{91}{2}a+1$, $\frac{17}{512}a^{22}+\frac{1}{32}a^{18}-\frac{1541}{512}a^{9}-\frac{85}{32}a^{5}-1$, $\frac{7}{128}a^{20}+\frac{1}{2}a^{14}-\frac{627}{128}a^{7}-\frac{91}{2}a+1$, $\frac{11}{1024}a^{23}+\frac{7}{128}a^{20}-\frac{967}{1024}a^{10}-\frac{627}{128}a^{7}$, $\frac{45}{2048}a^{23}+\frac{45}{2048}a^{22}-\frac{135}{2048}a^{21}+\frac{45}{2048}a^{20}+\frac{161}{2048}a^{19}-\frac{315}{2048}a^{18}-\frac{135}{2048}a^{17}+\frac{509}{2048}a^{16}-\frac{495}{2048}a^{15}-\frac{2059}{2048}a^{14}+\frac{2025}{2048}a^{13}+\frac{45}{2048}a^{12}+\frac{1}{2048}a^{11}-\frac{1035}{512}a^{10}-\frac{495}{256}a^{9}+\frac{765}{128}a^{8}-\frac{135}{64}a^{7}-\frac{115}{16}a^{6}+\frac{225}{16}a^{5}+\frac{45}{8}a^{4}-\frac{177}{8}a^{3}+\frac{45}{2}a^{2}+\frac{181}{2}a-90$, $\frac{17}{512}a^{22}-\frac{1}{32}a^{19}-\frac{3}{8}a^{16}-\frac{1541}{512}a^{9}+\frac{85}{32}a^{6}+\frac{271}{8}a^{3}+1$, $\frac{1}{2048}a^{23}+\frac{23}{2048}a^{22}-\frac{69}{2048}a^{21}+\frac{23}{2048}a^{20}+\frac{339}{2048}a^{19}-\frac{161}{2048}a^{18}-\frac{69}{2048}a^{17}+\frac{391}{2048}a^{16}-\frac{1277}{2048}a^{15}-\frac{529}{2048}a^{14}+\frac{1035}{2048}a^{13}+\frac{23}{2048}a^{12}-\frac{45}{2048}a^{11}-\frac{91}{1024}a^{10}-\frac{253}{256}a^{9}+\frac{391}{128}a^{8}-\frac{69}{64}a^{7}-\frac{949}{64}a^{6}+\frac{115}{16}a^{5}+\frac{23}{8}a^{4}-\frac{69}{4}a^{3}+57a^{2}+23a-46$, $\frac{1}{32}a^{18}-\frac{1}{8}a^{17}-\frac{3}{8}a^{16}-\frac{1}{4}a^{15}-\frac{85}{32}a^{5}+\frac{93}{8}a^{4}+\frac{271}{8}a^{3}+\frac{89}{4}a^{2}$, $\frac{11}{1024}a^{23}+\frac{17}{256}a^{21}-\frac{1}{32}a^{19}-\frac{3}{16}a^{17}-\frac{967}{1024}a^{10}-\frac{1541}{256}a^{8}+\frac{85}{32}a^{6}+\frac{271}{16}a^{4}$, $\frac{11}{1024}a^{23}+\frac{3}{256}a^{22}-\frac{17}{512}a^{21}+\frac{5}{512}a^{20}+\frac{69}{512}a^{19}-\frac{135}{512}a^{18}-\frac{19}{512}a^{17}+\frac{97}{512}a^{16}-\frac{59}{512}a^{15}-\frac{135}{512}a^{14}+\frac{253}{512}a^{13}+\frac{17}{512}a^{12}-\frac{11}{512}a^{11}-\frac{1013}{1024}a^{10}-\frac{529}{512}a^{9}+\frac{771}{256}a^{8}-\frac{121}{128}a^{7}-\frac{391}{32}a^{6}+\frac{765}{32}a^{5}+\frac{51}{16}a^{4}-\frac{137}{8}a^{3}+\frac{43}{4}a^{2}+\frac{47}{2}a-45$ (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: | \( 42757649.54957395 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{12}\cdot 42757649.54957395 \cdot 7}{26\cdot\sqrt{44455984353110737022824200630534169}}\cr\approx \mathstrut & 0.206695880097383 \end{aligned}\] (assuming GRH)
Galois group
$C_2\times C_{12}$ (as 24T2):
An abelian group of order 24 |
The 24 conjugacy class representatives for $C_2\times C_{12}$ |
Character table for $C_2\times C_{12}$ |
Intermediate fields
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 | ${\href{/padicField/2.12.0.1}{12} }^{2}$ | ${\href{/padicField/3.6.0.1}{6} }^{4}$ | ${\href{/padicField/5.4.0.1}{4} }^{6}$ | R | ${\href{/padicField/11.12.0.1}{12} }^{2}$ | R | ${\href{/padicField/17.6.0.1}{6} }^{4}$ | ${\href{/padicField/19.12.0.1}{12} }^{2}$ | ${\href{/padicField/23.6.0.1}{6} }^{4}$ | ${\href{/padicField/29.3.0.1}{3} }^{8}$ | ${\href{/padicField/31.4.0.1}{4} }^{6}$ | ${\href{/padicField/37.12.0.1}{12} }^{2}$ | ${\href{/padicField/41.12.0.1}{12} }^{2}$ | ${\href{/padicField/43.6.0.1}{6} }^{4}$ | ${\href{/padicField/47.4.0.1}{4} }^{6}$ | ${\href{/padicField/53.1.0.1}{1} }^{24}$ | ${\href{/padicField/59.12.0.1}{12} }^{2}$ |
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 |
---|---|---|---|---|---|---|---|
\(7\) | Deg $24$ | $2$ | $12$ | $12$ | |||
\(13\) | Deg $24$ | $12$ | $2$ | $22$ |