Normalized defining polynomial
\( x^{21} - 343 x^{19} - 1162 x^{18} + 50421 x^{17} + 341628 x^{16} - 3539039 x^{15} + \cdots - 862855657735952 \)
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: | \(162\!\cdots\!568\) \(\medspace = 2^{33}\cdot 7^{15}\cdot 11^{19}\cdot 13^{19}\cdot 239^{7}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
| |
Root discriminant: | \(6600.15\) | 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: | $2^{27/14}7^{5/6}11^{13/14}13^{13/14}239^{1/2}\approx 29880.55290223505$ | ||
Ramified primes: | \(2\), \(7\), \(11\), \(13\), \(239\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
| |
Discriminant root field: | \(\Q(\sqrt{478478}) \) | ||
$\card{ \Aut(K/\Q) }$: | $1$ | 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 \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $\frac{1}{2}a^{4}-\frac{1}{2}a^{2}$, $\frac{1}{2}a^{5}-\frac{1}{2}a^{3}$, $\frac{1}{2}a^{6}-\frac{1}{2}a^{2}$, $\frac{1}{2}a^{7}-\frac{1}{2}a^{3}$, $\frac{1}{44}a^{8}-\frac{5}{22}a^{7}+\frac{1}{11}a^{6}+\frac{5}{22}a^{5}-\frac{7}{44}a^{4}-\frac{1}{11}a^{3}-\frac{1}{22}a^{2}+\frac{5}{11}a-\frac{2}{11}$, $\frac{1}{44}a^{9}-\frac{2}{11}a^{7}+\frac{3}{22}a^{6}+\frac{5}{44}a^{5}-\frac{2}{11}a^{4}+\frac{1}{22}a^{3}-\frac{1}{2}a^{2}+\frac{4}{11}a+\frac{2}{11}$, $\frac{1}{44}a^{10}-\frac{2}{11}a^{7}-\frac{7}{44}a^{6}+\frac{3}{22}a^{5}-\frac{5}{22}a^{4}-\frac{5}{22}a^{3}-\frac{2}{11}a-\frac{5}{11}$, $\frac{1}{44}a^{11}+\frac{1}{44}a^{7}-\frac{3}{22}a^{6}+\frac{1}{11}a^{5}-\frac{5}{22}a^{3}-\frac{1}{22}a^{2}+\frac{2}{11}a-\frac{5}{11}$, $\frac{1}{88}a^{12}-\frac{1}{88}a^{10}-\frac{1}{88}a^{8}-\frac{19}{88}a^{6}-\frac{1}{22}a^{5}-\frac{1}{11}a^{4}-\frac{7}{22}a^{3}+\frac{3}{22}a^{2}-\frac{1}{11}a-\frac{1}{11}$, $\frac{1}{88}a^{13}-\frac{1}{88}a^{11}-\frac{1}{88}a^{9}-\frac{19}{88}a^{7}-\frac{1}{22}a^{6}-\frac{1}{11}a^{5}+\frac{2}{11}a^{4}+\frac{3}{22}a^{3}+\frac{9}{22}a^{2}-\frac{1}{11}a$, $\frac{1}{12584}a^{14}-\frac{7}{1573}a^{13}+\frac{19}{12584}a^{12}-\frac{10}{1573}a^{11}+\frac{5}{968}a^{10}-\frac{23}{3146}a^{9}+\frac{59}{12584}a^{8}+\frac{25}{286}a^{7}+\frac{85}{6292}a^{6}+\frac{58}{1573}a^{5}-\frac{71}{484}a^{4}+\frac{685}{1573}a^{3}-\frac{537}{3146}a^{2}-\frac{149}{1573}a-\frac{504}{1573}$, $\frac{1}{25168}a^{15}-\frac{57}{12584}a^{13}+\frac{63}{12584}a^{12}-\frac{67}{6292}a^{11}-\frac{85}{12584}a^{10}+\frac{9}{1144}a^{9}+\frac{57}{12584}a^{8}+\frac{2139}{25168}a^{7}-\frac{199}{968}a^{6}+\frac{243}{6292}a^{5}+\frac{245}{1573}a^{4}+\frac{706}{1573}a^{3}+\frac{630}{1573}a^{2}-\frac{134}{1573}a+\frac{45}{1573}$, $\frac{1}{50336}a^{16}-\frac{1}{50336}a^{15}-\frac{1}{25168}a^{14}+\frac{5}{968}a^{13}+\frac{9}{25168}a^{12}-\frac{141}{25168}a^{11}+\frac{53}{12584}a^{10}+\frac{15}{1573}a^{9}+\frac{53}{50336}a^{8}+\frac{12355}{50336}a^{7}+\frac{3155}{25168}a^{6}+\frac{2861}{12584}a^{5}+\frac{133}{1573}a^{4}-\frac{20}{1573}a^{3}-\frac{178}{1573}a^{2}-\frac{443}{3146}a+\frac{1189}{3146}$, $\frac{1}{553696}a^{17}+\frac{1}{553696}a^{16}-\frac{1}{69212}a^{14}-\frac{289}{276848}a^{13}-\frac{117}{21296}a^{12}+\frac{491}{138424}a^{11}-\frac{1231}{138424}a^{10}-\frac{4223}{553696}a^{9}+\frac{201}{553696}a^{8}+\frac{23523}{138424}a^{7}+\frac{15219}{138424}a^{6}+\frac{2295}{69212}a^{5}+\frac{593}{17303}a^{4}-\frac{15531}{34606}a^{3}+\frac{5033}{17303}a^{2}-\frac{441}{2662}a+\frac{652}{17303}$, $\frac{1}{7751744}a^{18}+\frac{5}{7751744}a^{17}-\frac{51}{7751744}a^{16}-\frac{41}{7751744}a^{15}-\frac{1}{484484}a^{14}-\frac{1275}{553696}a^{13}-\frac{6543}{3875872}a^{12}-\frac{1493}{3875872}a^{11}-\frac{77247}{7751744}a^{10}-\frac{86167}{7751744}a^{9}-\frac{65671}{7751744}a^{8}-\frac{848205}{7751744}a^{7}+\frac{912031}{3875872}a^{6}-\frac{373193}{1937936}a^{5}+\frac{24021}{968968}a^{4}-\frac{56477}{242242}a^{3}-\frac{20689}{484484}a^{2}+\frac{148355}{484484}a+\frac{153661}{484484}$, $\frac{1}{100772672}a^{19}-\frac{3}{100772672}a^{18}-\frac{3}{14396096}a^{17}-\frac{179}{100772672}a^{16}-\frac{115}{12596584}a^{15}+\frac{37}{4580576}a^{14}-\frac{3083}{4580576}a^{13}+\frac{212341}{50386336}a^{12}+\frac{997649}{100772672}a^{11}-\frac{141815}{100772672}a^{10}-\frac{144007}{14396096}a^{9}-\frac{643255}{100772672}a^{8}+\frac{12566419}{50386336}a^{7}-\frac{359701}{25193168}a^{6}+\frac{1123351}{12596584}a^{5}+\frac{389497}{6298292}a^{4}-\frac{1487971}{6298292}a^{3}+\frac{209103}{484484}a^{2}+\frac{50537}{899756}a+\frac{676458}{1574573}$, $\frac{1}{28\!\cdots\!56}a^{20}+\frac{10\!\cdots\!69}{28\!\cdots\!56}a^{19}+\frac{41\!\cdots\!85}{70\!\cdots\!64}a^{18}+\frac{21\!\cdots\!39}{14\!\cdots\!28}a^{17}-\frac{23\!\cdots\!65}{28\!\cdots\!56}a^{16}-\frac{63\!\cdots\!91}{40\!\cdots\!08}a^{15}+\frac{68\!\cdots\!47}{20\!\cdots\!04}a^{14}+\frac{11\!\cdots\!21}{50\!\cdots\!76}a^{13}-\frac{63\!\cdots\!13}{28\!\cdots\!56}a^{12}+\frac{16\!\cdots\!59}{36\!\cdots\!28}a^{11}-\frac{33\!\cdots\!29}{88\!\cdots\!08}a^{10}-\frac{61\!\cdots\!33}{14\!\cdots\!28}a^{9}+\frac{13\!\cdots\!99}{40\!\cdots\!08}a^{8}-\frac{43\!\cdots\!23}{28\!\cdots\!56}a^{7}-\frac{47\!\cdots\!85}{20\!\cdots\!04}a^{6}-\frac{43\!\cdots\!75}{17\!\cdots\!04}a^{5}+\frac{31\!\cdots\!99}{35\!\cdots\!32}a^{4}-\frac{40\!\cdots\!35}{17\!\cdots\!16}a^{3}+\frac{16\!\cdots\!99}{63\!\cdots\!22}a^{2}-\frac{31\!\cdots\!11}{17\!\cdots\!16}a-\frac{82\!\cdots\!01}{17\!\cdots\!16}$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
not computed
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: | not computed | 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: | not computed | 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 $
Galois group
$S_3\times F_7$ (as 21T15):
A solvable group of order 252 |
The 21 conjugacy class representatives for $S_3\times F_7$ |
Character table for $S_3\times F_7$ |
Intermediate fields
3.1.273416.1, 7.1.9197851611565769152.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Sibling fields
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 | R | ${\href{/padicField/3.6.0.1}{6} }^{3}{,}\,{\href{/padicField/3.3.0.1}{3} }$ | ${\href{/padicField/5.6.0.1}{6} }^{3}{,}\,{\href{/padicField/5.3.0.1}{3} }$ | R | R | R | ${\href{/padicField/17.6.0.1}{6} }^{3}{,}\,{\href{/padicField/17.2.0.1}{2} }{,}\,{\href{/padicField/17.1.0.1}{1} }$ | ${\href{/padicField/19.6.0.1}{6} }^{3}{,}\,{\href{/padicField/19.2.0.1}{2} }{,}\,{\href{/padicField/19.1.0.1}{1} }$ | ${\href{/padicField/23.3.0.1}{3} }^{6}{,}\,{\href{/padicField/23.1.0.1}{1} }^{3}$ | $21$ | ${\href{/padicField/31.6.0.1}{6} }^{3}{,}\,{\href{/padicField/31.3.0.1}{3} }$ | ${\href{/padicField/37.6.0.1}{6} }^{2}{,}\,{\href{/padicField/37.3.0.1}{3} }^{2}{,}\,{\href{/padicField/37.2.0.1}{2} }{,}\,{\href{/padicField/37.1.0.1}{1} }$ | ${\href{/padicField/41.2.0.1}{2} }^{10}{,}\,{\href{/padicField/41.1.0.1}{1} }$ | ${\href{/padicField/43.7.0.1}{7} }^{3}$ | ${\href{/padicField/47.6.0.1}{6} }^{3}{,}\,{\href{/padicField/47.2.0.1}{2} }{,}\,{\href{/padicField/47.1.0.1}{1} }$ | ${\href{/padicField/53.3.0.1}{3} }^{7}$ | ${\href{/padicField/59.6.0.1}{6} }^{3}{,}\,{\href{/padicField/59.1.0.1}{1} }^{3}$ |
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 |
---|---|---|---|---|---|---|---|
\(2\) | 2.7.6.1 | $x^{7} + 2$ | $7$ | $1$ | $6$ | $C_7:C_3$ | $[\ ]_{7}^{3}$ |
2.14.27.121 | $x^{14} + 6 x^{12} + 4 x^{9} + 4 x^{7} + 4 x^{4} + 6$ | $14$ | $1$ | $27$ | $(C_7:C_3) \times C_2$ | $[3]_{7}^{3}$ | |
\(7\) | 7.3.0.1 | $x^{3} + 6 x^{2} + 4$ | $1$ | $3$ | $0$ | $C_3$ | $[\ ]^{3}$ |
7.18.15.5 | $x^{18} + 36 x^{17} + 540 x^{16} + 4344 x^{15} + 20160 x^{14} + 55296 x^{13} + 98757 x^{12} + 161784 x^{11} + 246024 x^{10} + 264920 x^{9} + 530640 x^{8} + 156384 x^{7} - 1885725 x^{6} - 6133212 x^{5} - 3645540 x^{4} + 5968464 x^{3} + 5011344 x^{2} + 1820448 x + 2358791$ | $6$ | $3$ | $15$ | $C_6 \times C_3$ | $[\ ]_{6}^{3}$ | |
\(11\) | 11.7.6.1 | $x^{7} + 11$ | $7$ | $1$ | $6$ | $C_7:C_3$ | $[\ ]_{7}^{3}$ |
11.14.13.1 | $x^{14} + 22$ | $14$ | $1$ | $13$ | $(C_7:C_3) \times C_2$ | $[\ ]_{14}^{3}$ | |
\(13\) | 13.7.6.1 | $x^{7} + 13$ | $7$ | $1$ | $6$ | $D_{7}$ | $[\ ]_{7}^{2}$ |
13.14.13.2 | $x^{14} + 26$ | $14$ | $1$ | $13$ | $D_{14}$ | $[\ ]_{14}^{2}$ | |
\(239\) | $\Q_{239}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ |
$\Q_{239}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
$\Q_{239}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
$\Q_{239}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
$\Q_{239}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
$\Q_{239}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
$\Q_{239}$ | $x$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ | |
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 $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | ||
Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | ||
Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | ||
Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ |