Normalized defining polynomial
\( x^{21} - 6 x^{18} - 6 x^{16} + 8 x^{15} - 8 x^{14} + 17 x^{13} - 3 x^{12} + 23 x^{11} - 28 x^{10} + \cdots - 1 \)
Invariants
Degree: | $21$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
| |
Signature: | $[1, 10]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
| |
Discriminant: | \(238583305854552412020101\) \(\medspace = 23^{7}\cdot 41227^{3}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
| |
Root discriminant: | \(12.98\) | 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: | $23^{1/2}41227^{1/2}\approx 973.7663990916918$ | ||
Ramified primes: | \(23\), \(41227\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
| |
Discriminant root field: | \(\Q(\sqrt{948221}) \) | ||
$\card{ \Aut(K/\Q) }$: | $1$ | sage: K.automorphisms()
magma: Automorphisms(K);
oscar: automorphisms(K)
| |
This field is not Galois over $\Q$. | |||
This is not a CM field. |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $a^{13}$, $a^{14}$, $a^{15}$, $a^{16}$, $a^{17}$, $a^{18}$, $a^{19}$, $\frac{1}{518266524713}a^{20}+\frac{60217880587}{518266524713}a^{19}-\frac{48116156212}{518266524713}a^{18}-\frac{79153041266}{518266524713}a^{17}-\frac{92621406219}{518266524713}a^{16}+\frac{42692262758}{518266524713}a^{15}+\frac{31180083129}{74038074959}a^{14}+\frac{101440730908}{518266524713}a^{13}+\frac{139464783058}{518266524713}a^{12}-\frac{15199703780}{74038074959}a^{11}+\frac{129938744042}{518266524713}a^{10}+\frac{216947069004}{518266524713}a^{9}-\frac{16279227377}{74038074959}a^{8}-\frac{173697961391}{518266524713}a^{7}+\frac{66140149252}{518266524713}a^{6}-\frac{227637798004}{518266524713}a^{5}-\frac{36081591520}{74038074959}a^{4}-\frac{2528948491}{74038074959}a^{3}+\frac{239167134524}{518266524713}a^{2}-\frac{104948707685}{518266524713}a-\frac{254047246773}{518266524713}$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
Trivial group, which has order $1$ (assuming GRH)
Unit group
Rank: | $10$ | 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: | $\frac{1840141022}{2263172597}a^{20}+\frac{877143788}{2263172597}a^{19}+\frac{449344201}{2263172597}a^{18}-\frac{11487780082}{2263172597}a^{17}-\frac{5472735332}{2263172597}a^{16}-\frac{13500248291}{2263172597}a^{15}+\frac{1667617199}{323310371}a^{14}-\frac{8650682375}{2263172597}a^{13}+\frac{29084376644}{2263172597}a^{12}+\frac{840462758}{323310371}a^{11}+\frac{45513354493}{2263172597}a^{10}-\frac{34338086854}{2263172597}a^{9}-\frac{6107916974}{323310371}a^{8}-\frac{106230878737}{2263172597}a^{7}-\frac{69811258792}{2263172597}a^{6}-\frac{94229005548}{2263172597}a^{5}-\frac{9132197950}{323310371}a^{4}-\frac{7106189621}{323310371}a^{3}-\frac{19268887963}{2263172597}a^{2}-\frac{10469768775}{2263172597}a-\frac{3954802245}{2263172597}$, $a$, $\frac{384420544792}{518266524713}a^{20}+\frac{229288999410}{518266524713}a^{19}-\frac{98828140774}{518266524713}a^{18}-\frac{2292108019564}{518266524713}a^{17}-\frac{1441783757438}{518266524713}a^{16}-\frac{1718212929210}{518266524713}a^{15}+\frac{236405694242}{74038074959}a^{14}-\frac{320576439327}{518266524713}a^{13}+\frac{3965937182329}{518266524713}a^{12}+\frac{531696392713}{74038074959}a^{11}+\frac{6253413636198}{518266524713}a^{10}-\frac{5270878609937}{518266524713}a^{9}-\frac{1866388343097}{74038074959}a^{8}-\frac{17907267077096}{518266524713}a^{7}-\frac{14574063616349}{518266524713}a^{6}-\frac{15895094456798}{518266524713}a^{5}-\frac{1836528670722}{74038074959}a^{4}-\frac{1022434666669}{74038074959}a^{3}-\frac{2311040908101}{518266524713}a^{2}-\frac{1889977628712}{518266524713}a-\frac{216748597701}{518266524713}$, $\frac{129583014030}{518266524713}a^{20}-\frac{61396266508}{518266524713}a^{19}-\frac{97778237562}{518266524713}a^{18}-\frac{719603998937}{518266524713}a^{17}+\frac{379119510204}{518266524713}a^{16}-\frac{134991559537}{518266524713}a^{15}+\frac{144459214909}{74038074959}a^{14}-\frac{1048529565014}{518266524713}a^{13}+\frac{1323468656208}{518266524713}a^{12}-\frac{15019801145}{74038074959}a^{11}+\frac{1164025539168}{518266524713}a^{10}-\frac{3666341008126}{518266524713}a^{9}-\frac{270633178779}{74038074959}a^{8}-\frac{1083276687986}{518266524713}a^{7}+\frac{1114707308206}{518266524713}a^{6}-\frac{2118736104108}{518266524713}a^{5}-\frac{188722385709}{74038074959}a^{4}+\frac{3873798615}{74038074959}a^{3}+\frac{703454848603}{518266524713}a^{2}-\frac{724391249543}{518266524713}a+\frac{110541671508}{518266524713}$, $\frac{146692774465}{518266524713}a^{20}+\frac{57273645278}{518266524713}a^{19}+\frac{102932512331}{518266524713}a^{18}-\frac{831663862087}{518266524713}a^{17}-\frac{422579544990}{518266524713}a^{16}-\frac{1427025741545}{518266524713}a^{15}+\frac{61856372089}{74038074959}a^{14}-\frac{791130313938}{518266524713}a^{13}+\frac{2171091176479}{518266524713}a^{12}+\frac{150742608670}{74038074959}a^{11}+\frac{3328264393648}{518266524713}a^{10}-\frac{777686482826}{518266524713}a^{9}-\frac{468259935241}{74038074959}a^{8}-\frac{7441333256753}{518266524713}a^{7}-\frac{9720901805547}{518266524713}a^{6}-\frac{9415301771196}{518266524713}a^{5}-\frac{1357358193704}{74038074959}a^{4}-\frac{797639305011}{74038074959}a^{3}-\frac{4992374975297}{518266524713}a^{2}-\frac{1634311571813}{518266524713}a-\frac{900034280910}{518266524713}$, $\frac{342658115757}{518266524713}a^{20}-\frac{29164090029}{518266524713}a^{19}-\frac{148978858352}{518266524713}a^{18}-\frac{2019307180683}{518266524713}a^{17}+\frac{248846541579}{518266524713}a^{16}-\frac{1257867105703}{518266524713}a^{15}+\frac{404556124694}{74038074959}a^{14}-\frac{2626257870620}{518266524713}a^{13}+\frac{5139274261850}{518266524713}a^{12}-\frac{148288599575}{74038074959}a^{11}+\frac{6634564584394}{518266524713}a^{10}-\frac{10710744719361}{518266524713}a^{9}-\frac{597339481924}{74038074959}a^{8}-\frac{12026049292373}{518266524713}a^{7}-\frac{372104367154}{518266524713}a^{6}-\frac{11463821981282}{518266524713}a^{5}-\frac{443835315600}{74038074959}a^{4}-\frac{607634361899}{74038074959}a^{3}+\frac{384092017446}{518266524713}a^{2}-\frac{1420410121057}{518266524713}a+\frac{101815443378}{518266524713}$, $\frac{49532839703}{518266524713}a^{20}-\frac{98637379062}{518266524713}a^{19}-\frac{84757897573}{518266524713}a^{18}-\frac{281167121115}{518266524713}a^{17}+\frac{652537267386}{518266524713}a^{16}+\frac{134644762265}{518266524713}a^{15}+\frac{135924433745}{74038074959}a^{14}-\frac{1062224303935}{518266524713}a^{13}+\frac{1282214878633}{518266524713}a^{12}-\frac{234551938079}{74038074959}a^{11}+\frac{843007913294}{518266524713}a^{10}-\frac{4327064129902}{518266524713}a^{9}+\frac{265476494677}{74038074959}a^{8}+\frac{127695891864}{518266524713}a^{7}+\frac{6043653516237}{518266524713}a^{6}+\frac{315110168187}{518266524713}a^{5}+\frac{736408507281}{74038074959}a^{4}+\frac{324045093290}{74038074959}a^{3}+\frac{3458330660972}{518266524713}a^{2}+\frac{280069450495}{518266524713}a+\frac{1075626096735}{518266524713}$, $\frac{520689878469}{518266524713}a^{20}-\frac{260720939655}{518266524713}a^{19}-\frac{173353578808}{518266524713}a^{18}-\frac{3075841947147}{518266524713}a^{17}+\frac{1622646755728}{518266524713}a^{16}-\frac{2153230681472}{518266524713}a^{15}+\frac{781355432950}{74038074959}a^{14}-\frac{5515603227664}{518266524713}a^{13}+\frac{9570833124449}{518266524713}a^{12}-\frac{662591672832}{74038074959}a^{11}+\frac{10003814915664}{518266524713}a^{10}-\frac{19898640160002}{518266524713}a^{9}-\frac{222044200854}{74038074959}a^{8}-\frac{15152097329055}{518266524713}a^{7}+\frac{5846937344860}{518266524713}a^{6}-\frac{13549677273830}{518266524713}a^{5}+\frac{440039205951}{74038074959}a^{4}-\frac{75616626630}{74038074959}a^{3}+\frac{3902308119900}{518266524713}a^{2}-\frac{1643082222160}{518266524713}a+\frac{1564036279270}{518266524713}$, $\frac{28733056595}{518266524713}a^{20}-\frac{256920674214}{518266524713}a^{19}-\frac{82287906782}{518266524713}a^{18}-\frac{174908951690}{518266524713}a^{17}+\frac{1630660017887}{518266524713}a^{16}+\frac{332093357390}{518266524713}a^{15}+\frac{250042292697}{74038074959}a^{14}-\frac{2264035138580}{518266524713}a^{13}+\frac{1725482969100}{518266524713}a^{12}-\frac{582291430617}{74038074959}a^{11}+\frac{377488133718}{518266524713}a^{10}-\frac{6384157574237}{518266524713}a^{9}+\frac{799398178696}{74038074959}a^{8}+\frac{4673308977042}{518266524713}a^{7}+\frac{12619896246464}{518266524713}a^{6}+\frac{5150939228374}{518266524713}a^{5}+\frac{1299509641957}{74038074959}a^{4}+\frac{671292739123}{74038074959}a^{3}+\frac{3948212468992}{518266524713}a^{2}+\frac{1027403093975}{518266524713}a+\frac{972550743419}{518266524713}$, $\frac{499161549793}{518266524713}a^{20}-\frac{256651413884}{518266524713}a^{19}-\frac{124824071854}{518266524713}a^{18}-\frac{2879785562485}{518266524713}a^{17}+\frac{1421818684003}{518266524713}a^{16}-\frac{2160024917205}{518266524713}a^{15}+\frac{691815038620}{74038074959}a^{14}-\frac{4692477340541}{518266524713}a^{13}+\frac{8525283089095}{518266524713}a^{12}-\frac{487999908292}{74038074959}a^{11}+\frac{8397026408898}{518266524713}a^{10}-\frac{16903888642686}{518266524713}a^{9}-\frac{404055561453}{74038074959}a^{8}-\frac{13525264522173}{518266524713}a^{7}+\frac{2043893609276}{518266524713}a^{6}-\frac{11931927272010}{518266524713}a^{5}+\frac{160183524736}{74038074959}a^{4}-\frac{111700673438}{74038074959}a^{3}+\frac{2550239630545}{518266524713}a^{2}-\frac{889941322891}{518266524713}a+\frac{1547778934122}{518266524713}$ (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: | \( 952.218112417 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{1}\cdot(2\pi)^{10}\cdot 952.218112417 \cdot 1}{2\cdot\sqrt{238583305854552412020101}}\cr\approx \mathstrut & 0.186945534449 \end{aligned}\] (assuming GRH)
Galois group
$D_7\wr S_3$ (as 21T62):
A solvable group of order 16464 |
The 65 conjugacy class representatives for $D_7\wr S_3$ |
Character table for $D_7\wr S_3$ |
Intermediate fields
3.1.23.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Sibling fields
Degree 28 sibling: | data not computed |
Degree 42 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 | ${\href{/padicField/2.6.0.1}{6} }^{3}{,}\,{\href{/padicField/2.3.0.1}{3} }$ | ${\href{/padicField/3.6.0.1}{6} }^{3}{,}\,{\href{/padicField/3.3.0.1}{3} }$ | ${\href{/padicField/5.7.0.1}{7} }{,}\,{\href{/padicField/5.4.0.1}{4} }^{3}{,}\,{\href{/padicField/5.2.0.1}{2} }$ | ${\href{/padicField/7.7.0.1}{7} }{,}\,{\href{/padicField/7.4.0.1}{4} }^{3}{,}\,{\href{/padicField/7.2.0.1}{2} }$ | ${\href{/padicField/11.14.0.1}{14} }{,}\,{\href{/padicField/11.7.0.1}{7} }$ | $21$ | ${\href{/padicField/17.4.0.1}{4} }^{3}{,}\,{\href{/padicField/17.2.0.1}{2} }^{4}{,}\,{\href{/padicField/17.1.0.1}{1} }$ | ${\href{/padicField/19.7.0.1}{7} }{,}\,{\href{/padicField/19.4.0.1}{4} }^{3}{,}\,{\href{/padicField/19.2.0.1}{2} }$ | R | ${\href{/padicField/29.6.0.1}{6} }^{3}{,}\,{\href{/padicField/29.3.0.1}{3} }$ | ${\href{/padicField/31.6.0.1}{6} }^{3}{,}\,{\href{/padicField/31.3.0.1}{3} }$ | ${\href{/padicField/37.14.0.1}{14} }{,}\,{\href{/padicField/37.7.0.1}{7} }$ | ${\href{/padicField/41.6.0.1}{6} }^{3}{,}\,{\href{/padicField/41.3.0.1}{3} }$ | ${\href{/padicField/43.4.0.1}{4} }^{3}{,}\,{\href{/padicField/43.2.0.1}{2} }^{4}{,}\,{\href{/padicField/43.1.0.1}{1} }$ | ${\href{/padicField/47.6.0.1}{6} }^{3}{,}\,{\href{/padicField/47.3.0.1}{3} }$ | ${\href{/padicField/53.4.0.1}{4} }^{3}{,}\,{\href{/padicField/53.2.0.1}{2} }^{4}{,}\,{\href{/padicField/53.1.0.1}{1} }$ | ${\href{/padicField/59.7.0.1}{7} }^{2}{,}\,{\href{/padicField/59.2.0.1}{2} }^{3}{,}\,{\href{/padicField/59.1.0.1}{1} }$ |
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 |
---|---|---|---|---|---|---|---|
\(23\) | 23.2.1.2 | $x^{2} + 23$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ |
23.4.2.1 | $x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$ | $2$ | $2$ | $2$ | $C_2^2$ | $[\ ]_{2}^{2}$ | |
23.4.2.1 | $x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$ | $2$ | $2$ | $2$ | $C_2^2$ | $[\ ]_{2}^{2}$ | |
23.4.2.1 | $x^{4} + 42 x^{3} + 497 x^{2} + 1176 x + 10467$ | $2$ | $2$ | $2$ | $C_2^2$ | $[\ ]_{2}^{2}$ | |
23.7.0.1 | $x^{7} + 21 x + 18$ | $1$ | $7$ | $0$ | $C_7$ | $[\ ]^{7}$ | |
\(41227\) | $\Q_{41227}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ |
Deg $2$ | $1$ | $2$ | $0$ | $C_2$ | $[\ ]^{2}$ | ||
Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | ||
Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | ||
Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | ||
Deg $4$ | $1$ | $4$ | $0$ | $C_4$ | $[\ ]^{4}$ | ||
Deg $4$ | $1$ | $4$ | $0$ | $C_4$ | $[\ ]^{4}$ | ||
Deg $4$ | $1$ | $4$ | $0$ | $C_4$ | $[\ ]^{4}$ |