Normalized defining polynomial
\( x^{20} + 20 x^{18} + 565 x^{16} + 29472 x^{14} + 869610 x^{12} + 15155944 x^{10} + 170472586 x^{8} + \cdots + 22163170129 \)
Invariants
Degree: | $20$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
| |
Signature: | $[0, 10]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
| |
Discriminant: | \(3525175555633378160676822382018560000000000\) \(\medspace = 2^{40}\cdot 3^{10}\cdot 5^{10}\cdot 11^{18}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
| |
Root discriminant: | \(134.08\) | 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: | $2^{2}3^{1/2}5^{1/2}11^{9/10}\approx 134.0784675354655$ | ||
Ramified primes: | \(2\), \(3\), \(5\), \(11\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
| |
Discriminant root field: | \(\Q\) | ||
$\card{ \Gal(K/\Q) }$: | $20$ | sage: K.automorphisms()
magma: Automorphisms(K);
oscar: automorphisms(K)
| |
This field is Galois and abelian over $\Q$. | |||
Conductor: | \(1320=2^{3}\cdot 3\cdot 5\cdot 11\) | ||
Dirichlet character group: | $\lbrace$$\chi_{1320}(1,·)$, $\chi_{1320}(389,·)$, $\chi_{1320}(961,·)$, $\chi_{1320}(841,·)$, $\chi_{1320}(269,·)$, $\chi_{1320}(211,·)$, $\chi_{1320}(1109,·)$, $\chi_{1320}(1051,·)$, $\chi_{1320}(479,·)$, $\chi_{1320}(359,·)$, $\chi_{1320}(1319,·)$, $\chi_{1320}(509,·)$, $\chi_{1320}(361,·)$, $\chi_{1320}(811,·)$, $\chi_{1320}(749,·)$, $\chi_{1320}(239,·)$, $\chi_{1320}(1081,·)$, $\chi_{1320}(571,·)$, $\chi_{1320}(931,·)$, $\chi_{1320}(959,·)$$\rbrace$ | ||
This is a CM field. | |||
Reflex fields: | unavailable$^{512}$ |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $\frac{1}{4}a^{4}+\frac{1}{4}$, $\frac{1}{4}a^{5}+\frac{1}{4}a$, $\frac{1}{4}a^{6}+\frac{1}{4}a^{2}$, $\frac{1}{4}a^{7}+\frac{1}{4}a^{3}$, $\frac{1}{16}a^{8}-\frac{1}{8}a^{4}-\frac{3}{16}$, $\frac{1}{16}a^{9}-\frac{1}{8}a^{5}-\frac{3}{16}a$, $\frac{1}{16}a^{10}-\frac{1}{8}a^{6}-\frac{3}{16}a^{2}$, $\frac{1}{16}a^{11}-\frac{1}{8}a^{7}-\frac{3}{16}a^{3}$, $\frac{1}{64}a^{12}-\frac{1}{64}a^{8}-\frac{5}{64}a^{4}-\frac{3}{64}$, $\frac{1}{64}a^{13}-\frac{1}{64}a^{9}-\frac{5}{64}a^{5}-\frac{3}{64}a$, $\frac{1}{64}a^{14}-\frac{1}{64}a^{10}-\frac{5}{64}a^{6}-\frac{3}{64}a^{2}$, $\frac{1}{64}a^{15}-\frac{1}{64}a^{11}-\frac{5}{64}a^{7}-\frac{3}{64}a^{3}$, $\frac{1}{256}a^{16}-\frac{3}{128}a^{8}-\frac{1}{32}a^{4}-\frac{3}{256}$, $\frac{1}{256}a^{17}-\frac{3}{128}a^{9}-\frac{1}{32}a^{5}-\frac{3}{256}a$, $\frac{1}{18\!\cdots\!96}a^{18}+\frac{32\!\cdots\!57}{18\!\cdots\!96}a^{16}+\frac{37\!\cdots\!69}{22\!\cdots\!12}a^{14}+\frac{94\!\cdots\!15}{45\!\cdots\!24}a^{12}-\frac{16\!\cdots\!11}{91\!\cdots\!48}a^{10}-\frac{20\!\cdots\!29}{91\!\cdots\!48}a^{8}-\frac{35\!\cdots\!25}{11\!\cdots\!56}a^{6}+\frac{46\!\cdots\!63}{45\!\cdots\!24}a^{4}-\frac{59\!\cdots\!99}{18\!\cdots\!96}a^{2}-\frac{58\!\cdots\!71}{18\!\cdots\!96}$, $\frac{1}{27\!\cdots\!08}a^{19}+\frac{15\!\cdots\!89}{13\!\cdots\!04}a^{17}-\frac{37\!\cdots\!63}{68\!\cdots\!52}a^{15}-\frac{17\!\cdots\!61}{68\!\cdots\!52}a^{13}+\frac{39\!\cdots\!99}{13\!\cdots\!04}a^{11}+\frac{10\!\cdots\!05}{34\!\cdots\!76}a^{9}+\frac{14\!\cdots\!33}{68\!\cdots\!52}a^{7}-\frac{31\!\cdots\!83}{68\!\cdots\!52}a^{5}+\frac{54\!\cdots\!37}{27\!\cdots\!08}a^{3}-\frac{54\!\cdots\!61}{13\!\cdots\!04}a$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
$C_{2}\times C_{2}\times C_{1198220}$, which has order $4792880$ (assuming GRH)
Unit group
Rank: | $9$ | sage: UK.rank()
gp: K.fu
magma: UnitRank(K);
oscar: rank(UK)
| |
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: | $\frac{74\!\cdots\!97}{11\!\cdots\!56}a^{18}+\frac{24\!\cdots\!85}{22\!\cdots\!12}a^{16}+\frac{14\!\cdots\!01}{45\!\cdots\!24}a^{14}+\frac{41\!\cdots\!57}{22\!\cdots\!12}a^{12}+\frac{22\!\cdots\!55}{45\!\cdots\!24}a^{10}+\frac{17\!\cdots\!67}{22\!\cdots\!12}a^{8}+\frac{35\!\cdots\!99}{45\!\cdots\!24}a^{6}+\frac{10\!\cdots\!91}{22\!\cdots\!12}a^{4}+\frac{76\!\cdots\!29}{45\!\cdots\!24}a^{2}+\frac{15\!\cdots\!53}{57\!\cdots\!28}$, $\frac{36\!\cdots\!05}{91\!\cdots\!48}a^{18}+\frac{47\!\cdots\!70}{71\!\cdots\!41}a^{16}+\frac{89\!\cdots\!05}{45\!\cdots\!24}a^{14}+\frac{25\!\cdots\!83}{22\!\cdots\!12}a^{12}+\frac{35\!\cdots\!25}{11\!\cdots\!56}a^{10}+\frac{11\!\cdots\!25}{22\!\cdots\!12}a^{8}+\frac{21\!\cdots\!67}{45\!\cdots\!24}a^{6}+\frac{66\!\cdots\!65}{22\!\cdots\!12}a^{4}+\frac{94\!\cdots\!19}{91\!\cdots\!48}a^{2}+\frac{37\!\cdots\!99}{22\!\cdots\!12}$, $\frac{93\!\cdots\!01}{18\!\cdots\!96}a^{18}+\frac{97\!\cdots\!65}{91\!\cdots\!48}a^{16}+\frac{67\!\cdots\!55}{22\!\cdots\!12}a^{14}+\frac{69\!\cdots\!65}{45\!\cdots\!24}a^{12}+\frac{41\!\cdots\!61}{91\!\cdots\!48}a^{10}+\frac{91\!\cdots\!67}{11\!\cdots\!56}a^{8}+\frac{51\!\cdots\!51}{57\!\cdots\!28}a^{6}+\frac{29\!\cdots\!55}{45\!\cdots\!24}a^{4}+\frac{49\!\cdots\!97}{18\!\cdots\!96}a^{2}+\frac{47\!\cdots\!75}{91\!\cdots\!48}$, $\frac{93\!\cdots\!01}{18\!\cdots\!96}a^{18}+\frac{97\!\cdots\!65}{91\!\cdots\!48}a^{16}+\frac{67\!\cdots\!55}{22\!\cdots\!12}a^{14}+\frac{69\!\cdots\!65}{45\!\cdots\!24}a^{12}+\frac{41\!\cdots\!61}{91\!\cdots\!48}a^{10}+\frac{91\!\cdots\!67}{11\!\cdots\!56}a^{8}+\frac{51\!\cdots\!51}{57\!\cdots\!28}a^{6}+\frac{29\!\cdots\!55}{45\!\cdots\!24}a^{4}+\frac{49\!\cdots\!97}{18\!\cdots\!96}a^{2}+\frac{47\!\cdots\!23}{91\!\cdots\!48}$, $\frac{12\!\cdots\!33}{13\!\cdots\!04}a^{19}+\frac{23\!\cdots\!25}{45\!\cdots\!24}a^{18}+\frac{97\!\cdots\!11}{68\!\cdots\!52}a^{17}+\frac{13\!\cdots\!95}{18\!\cdots\!96}a^{16}+\frac{32\!\cdots\!49}{68\!\cdots\!52}a^{15}+\frac{10\!\cdots\!57}{45\!\cdots\!24}a^{14}+\frac{17\!\cdots\!47}{68\!\cdots\!52}a^{13}+\frac{63\!\cdots\!51}{45\!\cdots\!24}a^{12}+\frac{11\!\cdots\!53}{17\!\cdots\!88}a^{11}+\frac{16\!\cdots\!21}{45\!\cdots\!24}a^{10}+\frac{75\!\cdots\!03}{68\!\cdots\!52}a^{9}+\frac{47\!\cdots\!17}{91\!\cdots\!48}a^{8}+\frac{75\!\cdots\!27}{68\!\cdots\!52}a^{7}+\frac{20\!\cdots\!07}{45\!\cdots\!24}a^{6}+\frac{47\!\cdots\!73}{68\!\cdots\!52}a^{5}+\frac{11\!\cdots\!19}{45\!\cdots\!24}a^{4}+\frac{35\!\cdots\!55}{13\!\cdots\!04}a^{3}+\frac{15\!\cdots\!91}{22\!\cdots\!12}a^{2}+\frac{15\!\cdots\!75}{34\!\cdots\!76}a+\frac{16\!\cdots\!23}{18\!\cdots\!96}$, $\frac{17\!\cdots\!01}{34\!\cdots\!76}a^{19}-\frac{32\!\cdots\!13}{45\!\cdots\!24}a^{18}+\frac{76\!\cdots\!81}{13\!\cdots\!04}a^{17}-\frac{21\!\cdots\!75}{18\!\cdots\!96}a^{16}+\frac{16\!\cdots\!11}{68\!\cdots\!52}a^{15}-\frac{77\!\cdots\!29}{22\!\cdots\!12}a^{14}+\frac{90\!\cdots\!35}{68\!\cdots\!52}a^{13}-\frac{88\!\cdots\!65}{45\!\cdots\!24}a^{12}+\frac{22\!\cdots\!01}{68\!\cdots\!52}a^{11}-\frac{30\!\cdots\!97}{57\!\cdots\!28}a^{10}+\frac{16\!\cdots\!07}{34\!\cdots\!76}a^{9}-\frac{76\!\cdots\!85}{91\!\cdots\!48}a^{8}+\frac{29\!\cdots\!97}{68\!\cdots\!52}a^{7}-\frac{18\!\cdots\!03}{22\!\cdots\!12}a^{6}+\frac{16\!\cdots\!69}{68\!\cdots\!52}a^{5}-\frac{22\!\cdots\!01}{45\!\cdots\!24}a^{4}+\frac{52\!\cdots\!53}{68\!\cdots\!52}a^{3}-\frac{79\!\cdots\!11}{45\!\cdots\!24}a^{2}+\frac{14\!\cdots\!95}{13\!\cdots\!04}a-\frac{49\!\cdots\!23}{18\!\cdots\!96}$, $\frac{13\!\cdots\!63}{13\!\cdots\!04}a^{19}+\frac{13\!\cdots\!53}{18\!\cdots\!96}a^{18}+\frac{84\!\cdots\!87}{68\!\cdots\!52}a^{17}+\frac{22\!\cdots\!05}{18\!\cdots\!96}a^{16}+\frac{32\!\cdots\!25}{68\!\cdots\!52}a^{15}+\frac{26\!\cdots\!87}{71\!\cdots\!41}a^{14}+\frac{17\!\cdots\!43}{68\!\cdots\!52}a^{13}+\frac{47\!\cdots\!15}{22\!\cdots\!12}a^{12}+\frac{23\!\cdots\!67}{34\!\cdots\!76}a^{11}+\frac{53\!\cdots\!13}{91\!\cdots\!48}a^{10}+\frac{68\!\cdots\!23}{68\!\cdots\!52}a^{9}+\frac{83\!\cdots\!21}{91\!\cdots\!48}a^{8}+\frac{63\!\cdots\!43}{68\!\cdots\!52}a^{7}+\frac{20\!\cdots\!07}{22\!\cdots\!12}a^{6}+\frac{37\!\cdots\!21}{68\!\cdots\!52}a^{5}+\frac{31\!\cdots\!07}{57\!\cdots\!28}a^{4}+\frac{25\!\cdots\!69}{13\!\cdots\!04}a^{3}+\frac{36\!\cdots\!41}{18\!\cdots\!96}a^{2}+\frac{95\!\cdots\!25}{34\!\cdots\!76}a+\frac{59\!\cdots\!65}{18\!\cdots\!96}$, $\frac{12\!\cdots\!73}{27\!\cdots\!08}a^{19}-\frac{20\!\cdots\!63}{18\!\cdots\!96}a^{18}+\frac{17\!\cdots\!51}{27\!\cdots\!08}a^{17}-\frac{16\!\cdots\!65}{91\!\cdots\!48}a^{16}+\frac{18\!\cdots\!71}{85\!\cdots\!44}a^{15}-\frac{15\!\cdots\!51}{28\!\cdots\!64}a^{14}+\frac{10\!\cdots\!97}{85\!\cdots\!44}a^{13}-\frac{14\!\cdots\!45}{45\!\cdots\!24}a^{12}+\frac{44\!\cdots\!61}{13\!\cdots\!04}a^{11}-\frac{77\!\cdots\!71}{91\!\cdots\!48}a^{10}+\frac{67\!\cdots\!43}{13\!\cdots\!04}a^{9}-\frac{15\!\cdots\!13}{11\!\cdots\!56}a^{8}+\frac{16\!\cdots\!79}{34\!\cdots\!76}a^{7}-\frac{30\!\cdots\!37}{22\!\cdots\!12}a^{6}+\frac{98\!\cdots\!33}{34\!\cdots\!76}a^{5}-\frac{37\!\cdots\!67}{45\!\cdots\!24}a^{4}+\frac{27\!\cdots\!45}{27\!\cdots\!08}a^{3}-\frac{54\!\cdots\!51}{18\!\cdots\!96}a^{2}+\frac{44\!\cdots\!35}{27\!\cdots\!08}a-\frac{43\!\cdots\!67}{91\!\cdots\!48}$, $\frac{10\!\cdots\!07}{27\!\cdots\!08}a^{19}-\frac{10\!\cdots\!51}{18\!\cdots\!96}a^{18}+\frac{13\!\cdots\!07}{27\!\cdots\!08}a^{17}-\frac{16\!\cdots\!55}{18\!\cdots\!96}a^{16}+\frac{11\!\cdots\!19}{68\!\cdots\!52}a^{15}-\frac{60\!\cdots\!17}{22\!\cdots\!12}a^{14}+\frac{65\!\cdots\!29}{68\!\cdots\!52}a^{13}-\frac{34\!\cdots\!99}{22\!\cdots\!12}a^{12}+\frac{34\!\cdots\!37}{13\!\cdots\!04}a^{11}-\frac{38\!\cdots\!07}{91\!\cdots\!48}a^{10}+\frac{52\!\cdots\!37}{13\!\cdots\!04}a^{9}-\frac{59\!\cdots\!15}{91\!\cdots\!48}a^{8}+\frac{25\!\cdots\!31}{68\!\cdots\!52}a^{7}-\frac{36\!\cdots\!73}{57\!\cdots\!28}a^{6}+\frac{15\!\cdots\!93}{68\!\cdots\!52}a^{5}-\frac{43\!\cdots\!77}{11\!\cdots\!56}a^{4}+\frac{20\!\cdots\!35}{27\!\cdots\!08}a^{3}-\frac{24\!\cdots\!91}{18\!\cdots\!96}a^{2}+\frac{31\!\cdots\!35}{27\!\cdots\!08}a-\frac{37\!\cdots\!15}{18\!\cdots\!96}$ (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: | \( 1589230.0087159988 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{10}\cdot 1589230.0087159988 \cdot 4792880}{2\cdot\sqrt{3525175555633378160676822382018560000000000}}\cr\approx \mathstrut & 0.194518819666524 \end{aligned}\] (assuming GRH)
Galois group
$C_2\times C_{10}$ (as 20T3):
An abelian group of order 20 |
The 20 conjugacy class representatives for $C_2\times C_{10}$ |
Character table for $C_2\times C_{10}$ |
Intermediate fields
\(\Q(\sqrt{-165}) \), \(\Q(\sqrt{22}) \), \(\Q(\sqrt{-30}) \), \(\Q(\sqrt{22}, \sqrt{-30})\), \(\Q(\zeta_{11})^+\), 10.0.1833540124521600000.1, 10.10.77265229938688.1, 10.0.5333934907699200000.1 |
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 | R | ${\href{/padicField/7.10.0.1}{10} }^{2}$ | R | ${\href{/padicField/13.5.0.1}{5} }^{4}$ | ${\href{/padicField/17.10.0.1}{10} }^{2}$ | ${\href{/padicField/19.10.0.1}{10} }^{2}$ | ${\href{/padicField/23.2.0.1}{2} }^{10}$ | ${\href{/padicField/29.5.0.1}{5} }^{4}$ | ${\href{/padicField/31.10.0.1}{10} }^{2}$ | ${\href{/padicField/37.10.0.1}{10} }^{2}$ | ${\href{/padicField/41.10.0.1}{10} }^{2}$ | ${\href{/padicField/43.2.0.1}{2} }^{10}$ | ${\href{/padicField/47.10.0.1}{10} }^{2}$ | ${\href{/padicField/53.10.0.1}{10} }^{2}$ | ${\href{/padicField/59.5.0.1}{5} }^{4}$ |
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 |
---|---|---|---|---|---|---|---|
\(2\) | Deg $20$ | $4$ | $5$ | $40$ | |||
\(3\) | 3.10.5.2 | $x^{10} + 15 x^{8} + 94 x^{6} + 2 x^{5} + 210 x^{4} - 60 x^{3} + 229 x^{2} + 94 x + 364$ | $2$ | $5$ | $5$ | $C_{10}$ | $[\ ]_{2}^{5}$ |
3.10.5.2 | $x^{10} + 15 x^{8} + 94 x^{6} + 2 x^{5} + 210 x^{4} - 60 x^{3} + 229 x^{2} + 94 x + 364$ | $2$ | $5$ | $5$ | $C_{10}$ | $[\ ]_{2}^{5}$ | |
\(5\) | Deg $20$ | $2$ | $10$ | $10$ | |||
\(11\) | 11.10.9.7 | $x^{10} + 11$ | $10$ | $1$ | $9$ | $C_{10}$ | $[\ ]_{10}$ |
11.10.9.7 | $x^{10} + 11$ | $10$ | $1$ | $9$ | $C_{10}$ | $[\ ]_{10}$ |