Normalized defining polynomial
\( x^{20} - 5x^{18} + 4x^{16} + 14x^{14} - 33x^{12} - 3x^{10} + 65x^{8} - 14x^{6} - 43x^{4} + 4x^{2} + 1 \)
Invariants
Degree: | $20$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
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Signature: | $[8, 6]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
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Discriminant: | \(2060764600365471574508544\) \(\medspace = 2^{10}\cdot 3^{4}\cdot 17^{4}\cdot 4153^{4}\) | 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: | \(16.43\) | 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: | $2^{15/8}3^{1/2}17^{1/2}4153^{1/2}\approx 1688.0966012168024$ | ||
Ramified primes: | \(2\), \(3\), \(17\), \(4153\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
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Discriminant root field: | \(\Q\) | ||
$\card{ \Aut(K/\Q) }$: | $2$ | sage: K.automorphisms()
magma: Automorphisms(K);
oscar: automorphisms(K)
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This field is not Galois over $\Q$. | |||
This is not a CM field. |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $a^{13}$, $a^{14}$, $\frac{1}{2}a^{15}-\frac{1}{2}a^{10}-\frac{1}{2}a^{8}-\frac{1}{2}a^{7}-\frac{1}{2}a^{6}-\frac{1}{2}a^{5}-\frac{1}{2}a^{4}-\frac{1}{2}a^{3}-\frac{1}{2}$, $\frac{1}{6}a^{16}-\frac{1}{2}a^{11}+\frac{1}{3}a^{10}-\frac{1}{2}a^{9}+\frac{1}{6}a^{8}-\frac{1}{2}a^{7}-\frac{1}{2}a^{6}-\frac{1}{2}a^{5}+\frac{1}{6}a^{4}-\frac{1}{2}a-\frac{1}{3}$, $\frac{1}{6}a^{17}-\frac{1}{2}a^{12}+\frac{1}{3}a^{11}-\frac{1}{2}a^{10}+\frac{1}{6}a^{9}-\frac{1}{2}a^{8}-\frac{1}{2}a^{7}-\frac{1}{2}a^{6}+\frac{1}{6}a^{5}-\frac{1}{2}a^{2}-\frac{1}{3}a$, $\frac{1}{35538}a^{18}+\frac{1207}{17769}a^{16}+\frac{1873}{5923}a^{14}-\frac{1}{2}a^{13}-\frac{917}{17769}a^{12}-\frac{1}{2}a^{11}+\frac{5771}{35538}a^{10}-\frac{1}{2}a^{9}+\frac{11381}{35538}a^{8}-\frac{1}{2}a^{7}+\frac{6523}{35538}a^{6}-\frac{8759}{17769}a^{4}-\frac{1}{2}a^{3}+\frac{1490}{17769}a^{2}-\frac{2795}{17769}$, $\frac{1}{35538}a^{19}+\frac{1207}{17769}a^{17}-\frac{2177}{11846}a^{15}-\frac{1}{2}a^{14}-\frac{917}{17769}a^{13}-\frac{1}{2}a^{12}+\frac{5771}{35538}a^{11}+\frac{11381}{35538}a^{9}-\frac{5623}{17769}a^{7}-\frac{1}{2}a^{6}+\frac{251}{35538}a^{5}-\frac{14789}{35538}a^{3}-\frac{2795}{17769}a-\frac{1}{2}$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
Trivial group, which has order $1$ (assuming GRH)
Unit group
Rank: | $13$ | 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: | $\frac{7277}{17769}a^{19}+\frac{109}{17769}a^{18}-\frac{36478}{17769}a^{17}-\frac{3409}{17769}a^{16}+\frac{21761}{11846}a^{15}+\frac{5550}{5923}a^{14}+\frac{87346}{17769}a^{13}-\frac{22216}{17769}a^{12}-\frac{76500}{5923}a^{11}-\frac{39059}{35538}a^{10}+\frac{4151}{17769}a^{9}+\frac{188857}{35538}a^{8}+\frac{813349}{35538}a^{7}-\frac{123889}{35538}a^{6}-\frac{226511}{35538}a^{5}-\frac{176279}{35538}a^{4}-\frac{465203}{35538}a^{3}+\frac{76054}{17769}a^{2}+\frac{36272}{17769}a+\frac{7441}{35538}$, $\frac{7277}{17769}a^{19}-\frac{109}{17769}a^{18}-\frac{36478}{17769}a^{17}+\frac{3409}{17769}a^{16}+\frac{21761}{11846}a^{15}-\frac{5550}{5923}a^{14}+\frac{87346}{17769}a^{13}+\frac{22216}{17769}a^{12}-\frac{76500}{5923}a^{11}+\frac{39059}{35538}a^{10}+\frac{4151}{17769}a^{9}-\frac{188857}{35538}a^{8}+\frac{813349}{35538}a^{7}+\frac{123889}{35538}a^{6}-\frac{226511}{35538}a^{5}+\frac{176279}{35538}a^{4}-\frac{465203}{35538}a^{3}-\frac{76054}{17769}a^{2}+\frac{36272}{17769}a-\frac{7441}{35538}$, $\frac{317}{5923}a^{18}-\frac{2410}{17769}a^{16}-\frac{3200}{5923}a^{14}+\frac{10922}{5923}a^{12}-\frac{14246}{17769}a^{10}-\frac{92758}{17769}a^{8}+\frac{42125}{5923}a^{6}+\frac{72857}{17769}a^{4}-\frac{44481}{5923}a^{2}-\frac{9082}{17769}$, $\frac{64}{17769}a^{18}-\frac{5425}{17769}a^{16}+\frac{8747}{5923}a^{14}-\frac{28531}{17769}a^{12}-\frac{39343}{17769}a^{10}+\frac{142007}{17769}a^{8}-\frac{44522}{17769}a^{6}-\frac{161626}{17769}a^{4}+\frac{66337}{17769}a^{2}+\frac{15389}{17769}$, $\frac{3174}{5923}a^{19}-\frac{48439}{17769}a^{17}+\frac{12952}{5923}a^{15}+\frac{48577}{5923}a^{13}-\frac{339743}{17769}a^{11}-\frac{26941}{17769}a^{9}+\frac{234114}{5923}a^{7}-\frac{192406}{17769}a^{5}-\frac{160432}{5923}a^{3}+\frac{73097}{17769}a$, $a$, $\frac{1577}{35538}a^{19}-\frac{7435}{35538}a^{18}-\frac{537}{11846}a^{17}+\frac{17069}{17769}a^{16}-\frac{9635}{11846}a^{15}-\frac{7487}{11846}a^{14}+\frac{75205}{35538}a^{13}-\frac{40939}{17769}a^{12}-\frac{13238}{17769}a^{11}+\frac{91220}{17769}a^{10}-\frac{66745}{11846}a^{9}+\frac{25775}{17769}a^{8}+\frac{123643}{17769}a^{7}-\frac{308977}{35538}a^{6}+\frac{23523}{5923}a^{5}-\frac{17989}{17769}a^{4}-\frac{120161}{17769}a^{3}+\frac{143795}{35538}a^{2}+\frac{1640}{5923}a-\frac{41}{35538}$, $\frac{7277}{17769}a^{19}+\frac{15}{5923}a^{18}-\frac{36478}{17769}a^{17}+\frac{672}{5923}a^{16}+\frac{21761}{11846}a^{15}-\frac{3197}{5923}a^{14}+\frac{87346}{17769}a^{13}+\frac{2105}{5923}a^{12}-\frac{76500}{5923}a^{11}+\frac{13209}{11846}a^{10}+\frac{4151}{17769}a^{9}-\frac{31719}{11846}a^{8}+\frac{813349}{35538}a^{7}-\frac{11615}{11846}a^{6}-\frac{226511}{35538}a^{5}+\frac{48991}{11846}a^{4}-\frac{465203}{35538}a^{3}+\frac{3239}{5923}a^{2}+\frac{54041}{17769}a-\frac{19625}{11846}$, $\frac{7277}{17769}a^{19}-\frac{15}{5923}a^{18}-\frac{36478}{17769}a^{17}-\frac{672}{5923}a^{16}+\frac{21761}{11846}a^{15}+\frac{3197}{5923}a^{14}+\frac{87346}{17769}a^{13}-\frac{2105}{5923}a^{12}-\frac{76500}{5923}a^{11}-\frac{13209}{11846}a^{10}+\frac{4151}{17769}a^{9}+\frac{31719}{11846}a^{8}+\frac{813349}{35538}a^{7}+\frac{11615}{11846}a^{6}-\frac{226511}{35538}a^{5}-\frac{48991}{11846}a^{4}-\frac{465203}{35538}a^{3}-\frac{3239}{5923}a^{2}+\frac{54041}{17769}a+\frac{19625}{11846}$, $\frac{1573}{11846}a^{19}-\frac{1705}{35538}a^{18}-\frac{2672}{5923}a^{17}+\frac{12461}{35538}a^{16}-\frac{4352}{5923}a^{15}-\frac{7859}{11846}a^{14}+\frac{47003}{11846}a^{13}-\frac{18143}{35538}a^{12}-\frac{43637}{11846}a^{11}+\frac{17527}{5923}a^{10}-\frac{91761}{11846}a^{9}-\frac{83779}{35538}a^{8}+\frac{179733}{11846}a^{7}-\frac{79121}{17769}a^{6}+\frac{51289}{11846}a^{5}+\frac{91057}{17769}a^{4}-\frac{163397}{11846}a^{3}+\frac{53824}{17769}a^{2}+\frac{2585}{11846}a-\frac{20309}{17769}$, $\frac{1573}{11846}a^{19}+\frac{1705}{35538}a^{18}-\frac{2672}{5923}a^{17}-\frac{12461}{35538}a^{16}-\frac{4352}{5923}a^{15}+\frac{7859}{11846}a^{14}+\frac{47003}{11846}a^{13}+\frac{18143}{35538}a^{12}-\frac{43637}{11846}a^{11}-\frac{17527}{5923}a^{10}-\frac{91761}{11846}a^{9}+\frac{83779}{35538}a^{8}+\frac{179733}{11846}a^{7}+\frac{79121}{17769}a^{6}+\frac{51289}{11846}a^{5}-\frac{91057}{17769}a^{4}-\frac{163397}{11846}a^{3}-\frac{53824}{17769}a^{2}+\frac{2585}{11846}a+\frac{20309}{17769}$, $\frac{16639}{35538}a^{19}-\frac{7403}{35538}a^{18}-\frac{80239}{35538}a^{17}+\frac{34387}{35538}a^{16}+\frac{9867}{5923}a^{15}-\frac{6075}{11846}a^{14}+\frac{206675}{35538}a^{13}-\frac{52514}{17769}a^{12}-\frac{462001}{35538}a^{11}+\frac{65115}{11846}a^{10}-\frac{51194}{17769}a^{9}+\frac{53873}{17769}a^{8}+\frac{436913}{17769}a^{7}-\frac{455621}{35538}a^{6}+\frac{18106}{17769}a^{5}-\frac{25819}{17769}a^{4}-\frac{542129}{35538}a^{3}+\frac{310231}{35538}a^{2}-\frac{133447}{35538}a+\frac{14192}{17769}$, $\frac{479}{11846}a^{19}+\frac{325}{35538}a^{18}-\frac{980}{17769}a^{17}-\frac{3209}{35538}a^{16}-\frac{3464}{5923}a^{15}+\frac{3235}{11846}a^{14}+\frac{15887}{11846}a^{13}-\frac{9673}{35538}a^{12}+\frac{727}{35538}a^{11}-\frac{336}{5923}a^{10}-\frac{158827}{35538}a^{9}+\frac{14719}{35538}a^{8}+\frac{44557}{11846}a^{7}+\frac{2732}{17769}a^{6}+\frac{194843}{35538}a^{5}+\frac{2288}{17769}a^{4}-\frac{47407}{11846}a^{3}-\frac{13282}{17769}a^{2}-\frac{42703}{35538}a+\frac{3767}{17769}$ (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: | \( 30273.1886548 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{8}\cdot(2\pi)^{6}\cdot 30273.1886548 \cdot 1}{2\cdot\sqrt{2060764600365471574508544}}\cr\approx \mathstrut & 0.166086049203 \end{aligned}\] (assuming GRH)
Galois group
$C_2^9.C_2^4:S_5$ (as 20T964):
A non-solvable group of order 983040 |
The 155 conjugacy class representatives for $C_2^9.C_2^4:S_5$ |
Character table for $C_2^9.C_2^4:S_5$ |
Intermediate fields
5.5.70601.1, 10.6.44860510809.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Sibling fields
Degree 20 siblings: | data not computed |
Degree 40 siblings: | data not computed |
Minimal sibling: | This field is its own minimal sibling |
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 | ${\href{/padicField/5.5.0.1}{5} }^{4}$ | $16{,}\,{\href{/padicField/7.4.0.1}{4} }$ | ${\href{/padicField/11.6.0.1}{6} }^{2}{,}\,{\href{/padicField/11.4.0.1}{4} }^{2}$ | ${\href{/padicField/13.6.0.1}{6} }^{2}{,}\,{\href{/padicField/13.2.0.1}{2} }^{4}$ | R | ${\href{/padicField/19.5.0.1}{5} }^{4}$ | ${\href{/padicField/23.8.0.1}{8} }^{2}{,}\,{\href{/padicField/23.2.0.1}{2} }^{2}$ | $16{,}\,{\href{/padicField/29.4.0.1}{4} }$ | ${\href{/padicField/31.10.0.1}{10} }^{2}$ | ${\href{/padicField/37.6.0.1}{6} }{,}\,{\href{/padicField/37.4.0.1}{4} }{,}\,{\href{/padicField/37.3.0.1}{3} }^{2}{,}\,{\href{/padicField/37.2.0.1}{2} }^{2}$ | ${\href{/padicField/41.10.0.1}{10} }^{2}$ | ${\href{/padicField/43.10.0.1}{10} }^{2}$ | ${\href{/padicField/47.12.0.1}{12} }{,}\,{\href{/padicField/47.4.0.1}{4} }{,}\,{\href{/padicField/47.2.0.1}{2} }^{2}$ | ${\href{/padicField/53.4.0.1}{4} }^{2}{,}\,{\href{/padicField/53.2.0.1}{2} }^{6}$ | ${\href{/padicField/59.6.0.1}{6} }^{2}{,}\,{\href{/padicField/59.4.0.1}{4} }^{2}$ |
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 |
---|---|---|---|---|---|---|---|
\(2\) | 2.10.0.1 | $x^{10} + x^{6} + x^{5} + x^{3} + x^{2} + x + 1$ | $1$ | $10$ | $0$ | $C_{10}$ | $[\ ]^{10}$ |
2.10.10.5 | $x^{10} + 34 x^{8} - 24 x^{7} + 368 x^{6} - 496 x^{5} + 1568 x^{4} - 1760 x^{3} + 2992 x^{2} - 1856 x + 352$ | $2$ | $5$ | $10$ | $C_2 \times (C_2^4 : C_5)$ | $[2, 2, 2, 2]^{10}$ | |
\(3\) | 3.4.2.2 | $x^{4} - 6 x^{3} + 12 x^{2} + 36 x + 18$ | $2$ | $2$ | $2$ | $C_4$ | $[\ ]_{2}^{2}$ |
3.4.2.2 | $x^{4} - 6 x^{3} + 12 x^{2} + 36 x + 18$ | $2$ | $2$ | $2$ | $C_4$ | $[\ ]_{2}^{2}$ | |
3.6.0.1 | $x^{6} + 2 x^{4} + x^{2} + 2 x + 2$ | $1$ | $6$ | $0$ | $C_6$ | $[\ ]^{6}$ | |
3.6.0.1 | $x^{6} + 2 x^{4} + x^{2} + 2 x + 2$ | $1$ | $6$ | $0$ | $C_6$ | $[\ ]^{6}$ | |
\(17\) | 17.3.0.1 | $x^{3} + x + 14$ | $1$ | $3$ | $0$ | $C_3$ | $[\ ]^{3}$ |
17.3.0.1 | $x^{3} + x + 14$ | $1$ | $3$ | $0$ | $C_3$ | $[\ ]^{3}$ | |
17.3.0.1 | $x^{3} + x + 14$ | $1$ | $3$ | $0$ | $C_3$ | $[\ ]^{3}$ | |
17.3.0.1 | $x^{3} + x + 14$ | $1$ | $3$ | $0$ | $C_3$ | $[\ ]^{3}$ | |
17.4.2.1 | $x^{4} + 338 x^{3} + 31049 x^{2} + 420472 x + 123735$ | $2$ | $2$ | $2$ | $C_2^2$ | $[\ ]_{2}^{2}$ | |
17.4.2.1 | $x^{4} + 338 x^{3} + 31049 x^{2} + 420472 x + 123735$ | $2$ | $2$ | $2$ | $C_2^2$ | $[\ ]_{2}^{2}$ | |
\(4153\) | Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | ||
Deg $4$ | $2$ | $2$ | $2$ | ||||
Deg $6$ | $1$ | $6$ | $0$ | $C_6$ | $[\ ]^{6}$ | ||
Deg $6$ | $1$ | $6$ | $0$ | $C_6$ | $[\ ]^{6}$ |