Normalized defining polynomial
\( x^{21} - 18x^{18} - 351x^{15} + 351x^{12} + 19359x^{9} + 99630x^{6} + 40095x^{3} + 2187 \)
Invariants
| Degree: | $21$ |
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| Signature: | $(5, 8)$ |
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| Discriminant: |
\(1279958175800508388164740942598144000000\)
\(\medspace = 2^{18}\cdot 3^{36}\cdot 5^{6}\cdot 113^{6}\)
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| Root discriminant: | \(72.82\) |
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| Galois root discriminant: | not computed | ||
| Ramified primes: |
\(2\), \(3\), \(5\), \(113\)
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| Discriminant root field: | \(\Q\) | ||
| $\Aut(K/\Q)$: | $C_1$ |
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| This field is not Galois over $\Q$. | |||
| This is not a CM field. | |||
| This field has no CM subfields. | |||
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $\frac{1}{3}a^{3}$, $\frac{1}{3}a^{4}$, $\frac{1}{3}a^{5}$, $\frac{1}{9}a^{6}$, $\frac{1}{9}a^{7}$, $\frac{1}{9}a^{8}$, $\frac{1}{27}a^{9}$, $\frac{1}{27}a^{10}$, $\frac{1}{27}a^{11}$, $\frac{1}{81}a^{12}$, $\frac{1}{81}a^{13}$, $\frac{1}{81}a^{14}$, $\frac{1}{243}a^{15}$, $\frac{1}{243}a^{16}$, $\frac{1}{243}a^{17}$, $\frac{1}{24173092521}a^{18}+\frac{10084394}{8057697507}a^{15}-\frac{9967820}{2685899169}a^{12}-\frac{671267}{99477747}a^{9}-\frac{5155024}{298433241}a^{6}-\frac{403081}{3684361}a^{3}+\frac{5038957}{33159249}$, $\frac{1}{24173092521}a^{19}+\frac{10084394}{8057697507}a^{16}-\frac{9967820}{2685899169}a^{13}-\frac{671267}{99477747}a^{10}-\frac{5155024}{298433241}a^{7}-\frac{403081}{3684361}a^{4}+\frac{5038957}{33159249}a$, $\frac{1}{72519277563}a^{20}+\frac{10084394}{24173092521}a^{17}-\frac{43127069}{8057697507}a^{14}+\frac{3013094}{298433241}a^{11}-\frac{5155024}{895299723}a^{8}-\frac{4893604}{33159249}a^{5}+\frac{38198206}{99477747}a^{2}$
| Monogenic: | Not computed | |
| Index: | $1$ | |
| Inessential primes: | None |
Class group and class number
| Ideal class group: | Trivial group, which has order $1$ (assuming GRH) |
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| Narrow class group: | Trivial group, which has order $1$ (assuming GRH) |
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Unit group
| Rank: | $12$ |
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| Torsion generator: |
\( -1 \)
(order $2$)
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| Fundamental units: |
$\frac{273257}{24173092521}a^{18}+\frac{1818389}{8057697507}a^{15}+\frac{9558382}{2685899169}a^{12}-\frac{396709}{33159249}a^{9}-\frac{57982099}{298433241}a^{6}-\frac{2951639}{3684361}a^{3}+\frac{7541776}{33159249}$, $\frac{1468054}{24173092521}a^{18}-\frac{9155509}{8057697507}a^{15}-\frac{55120082}{2685899169}a^{12}+\frac{3516613}{99477747}a^{9}+\frac{347069966}{298433241}a^{6}+\frac{60587284}{11053083}a^{3}-\frac{2720483}{33159249}$, $\frac{5305220}{24173092521}a^{18}+\frac{32581145}{8057697507}a^{15}+\frac{201970417}{2685899169}a^{12}-\frac{3513880}{33159249}a^{9}-\frac{1245309169}{298433241}a^{6}-\frac{226079786}{11053083}a^{3}-\frac{54185732}{33159249}$, $\frac{2578973}{24173092521}a^{18}+\frac{16009820}{8057697507}a^{15}+\frac{97180108}{2685899169}a^{12}-\frac{5971723}{99477747}a^{9}-\frac{599494696}{298433241}a^{6}-\frac{103376953}{11053083}a^{3}+\frac{7746682}{33159249}$, $\frac{323668}{8057697507}a^{18}-\frac{1878874}{2685899169}a^{15}-\frac{13126139}{895299723}a^{12}+\frac{1046803}{99477747}a^{9}+\frac{79207814}{99477747}a^{6}+\frac{40798172}{11053083}a^{3}+\frac{11472211}{11053083}$, $\frac{7541776}{24173092521}a^{20}-\frac{44977399}{8057697507}a^{17}-\frac{295947653}{2685899169}a^{14}+\frac{9831634}{99477747}a^{11}+\frac{1813195607}{298433241}a^{8}+\frac{350012251}{11053083}a^{5}+\frac{494491933}{33159249}a^{2}-2$, $\frac{34498714}{72519277563}a^{20}-\frac{2262950}{2685899169}a^{19}+\frac{20033320}{24173092521}a^{18}-\frac{224659675}{24173092521}a^{17}+\frac{14192741}{895299723}a^{16}-\frac{125735131}{8057697507}a^{15}-\frac{1234457912}{8057697507}a^{14}+\frac{28133102}{99477747}a^{13}-\frac{744907484}{2685899169}a^{12}+\frac{121758920}{298433241}a^{11}-\frac{51228659}{99477747}a^{10}+\frac{48921676}{99477747}a^{9}+\frac{7900213115}{895299723}a^{8}-\frac{177597034}{11053083}a^{7}+\frac{4689395246}{298433241}a^{6}+\frac{1148050262}{33159249}a^{5}-\frac{274898451}{3684361}a^{4}+\frac{833230756}{11053083}a^{3}-\frac{4369298315}{99477747}a^{2}+\frac{53230493}{3684361}a-\frac{94753697}{33159249}$, $\frac{28000729}{8057697507}a^{20}-\frac{33131237}{24173092521}a^{19}+\frac{997114}{895299723}a^{18}+\frac{163562518}{2685899169}a^{17}+\frac{232517240}{8057697507}a^{16}-\frac{8652508}{298433241}a^{15}+\frac{1135978058}{895299723}a^{14}+\frac{977080210}{2685899169}a^{13}-\frac{510793}{3684361}a^{12}-\frac{117945244}{99477747}a^{11}-\frac{75924241}{99477747}a^{10}+\frac{94496390}{99477747}a^{9}-\frac{6866518730}{99477747}a^{8}-\frac{6725330440}{298433241}a^{7}+\frac{427372765}{33159249}a^{6}-\frac{1323701523}{3684361}a^{5}-\frac{1071448933}{11053083}a^{4}+\frac{101923472}{3684361}a^{3}-\frac{1367515918}{11053083}a^{2}-\frac{1035596228}{33159249}a+\frac{29154920}{3684361}$, $\frac{72250897}{72519277563}a^{20}+\frac{23065078}{24173092521}a^{19}+\frac{21822208}{24173092521}a^{18}+\frac{439183369}{24173092521}a^{17}-\frac{141154210}{8057697507}a^{16}-\frac{132669472}{8057697507}a^{15}+\frac{2783079902}{8057697507}a^{14}-\frac{882403400}{2685899169}a^{13}-\frac{838138139}{2685899169}a^{12}-\frac{128438147}{298433241}a^{11}+\frac{45572416}{99477747}a^{10}+\frac{38062061}{99477747}a^{9}-\frac{17132047391}{895299723}a^{8}+\frac{5449840706}{298433241}a^{7}+\frac{5179153814}{298433241}a^{6}-\frac{3139568246}{33159249}a^{5}+\frac{323959684}{3684361}a^{4}+\frac{957081176}{11053083}a^{3}-\frac{2129527030}{99477747}a^{2}+\frac{337428409}{33159249}a+\frac{323141200}{33159249}$, $\frac{12080744}{24173092521}a^{20}+\frac{18684520}{24173092521}a^{19}-\frac{6064028}{24173092521}a^{18}-\frac{65357615}{8057697507}a^{17}-\frac{131900278}{8057697507}a^{16}+\frac{73630523}{8057697507}a^{15}-\frac{537322090}{2685899169}a^{14}-\frac{566798534}{2685899169}a^{13}-\frac{59601164}{2685899169}a^{12}+\frac{6415348}{99477747}a^{11}+\frac{77400941}{99477747}a^{10}-\frac{113842262}{99477747}a^{9}+\frac{3640443430}{298433241}a^{8}+\frac{2898562688}{298433241}a^{7}+\frac{1516392356}{298433241}a^{6}+\frac{182617378}{3684361}a^{5}+\frac{217856246}{3684361}a^{4}+\frac{63592341}{3684361}a^{3}+\frac{169159571}{33159249}a^{2}+\frac{243426976}{33159249}a+\frac{70570198}{33159249}$, $\frac{788534923}{72519277563}a^{20}+\frac{143764544}{24173092521}a^{19}+\frac{2718685}{24173092521}a^{18}-\frac{4783563127}{24173092521}a^{17}-\frac{863147201}{8057697507}a^{16}+\frac{24673196}{8057697507}a^{15}-\frac{30405675602}{8057697507}a^{14}-\frac{5643105931}{2685899169}a^{13}-\frac{430700936}{2685899169}a^{12}+\frac{1346378822}{298433241}a^{11}+\frac{246680719}{99477747}a^{10}-\frac{117942400}{99477747}a^{9}+\frac{186070191275}{895299723}a^{8}+\frac{35153514370}{298433241}a^{7}+\frac{4147709531}{298433241}a^{6}+\frac{34704626297}{33159249}a^{5}+\frac{2067988923}{3684361}a^{4}+\frac{792968099}{11053083}a^{3}+\frac{36919174558}{99477747}a^{2}+\frac{6240863216}{33159249}a+\frac{554705416}{33159249}$, $\frac{74193719762}{72519277563}a^{20}+\frac{6363045290}{24173092521}a^{19}-\frac{8560512442}{24173092521}a^{18}-\frac{454419212117}{24173092521}a^{17}-\frac{38944683869}{8057697507}a^{16}+\frac{52409297653}{8057697507}a^{15}-\frac{2836872356014}{8057697507}a^{14}-\frac{243466646608}{2685899169}a^{13}+\frac{327455054015}{2685899169}a^{12}+\frac{146505583126}{298433241}a^{11}+\frac{12448681207}{99477747}a^{10}-\frac{622667826}{3684361}a^{9}+\frac{17568297608473}{895299723}a^{8}+\frac{1507207483342}{298433241}a^{7}-\frac{2027478730235}{298433241}a^{6}+\frac{3136351382707}{33159249}a^{5}+\frac{269699778685}{11053083}a^{4}-\frac{362447366866}{11053083}a^{3}+\frac{555722005835}{99477747}a^{2}+\frac{58003180769}{33159249}a-\frac{72089458804}{33159249}$
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| Regulator: | \( 763087169026.0542 \) (assuming GRH) |
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Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{5}\cdot(2\pi)^{8}\cdot 763087169026.0542 \cdot 1}{2\cdot\sqrt{1279958175800508388164740942598144000000}}\cr\approx \mathstrut & 0.828963085187727 \end{aligned}\] (assuming GRH)
Galois group
| A non-solvable group of order 15120 |
| The 24 conjugacy class representatives for $C_3:S_7$ |
| Character table for $C_3:S_7$ |
Intermediate fields
| 3.1.243.1, 7.5.61291200.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Sibling fields
| Degree 42 sibling: | 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 | R | $21$ | ${\href{/padicField/11.10.0.1}{10} }{,}\,{\href{/padicField/11.5.0.1}{5} }{,}\,{\href{/padicField/11.2.0.1}{2} }^{3}$ | $21$ | ${\href{/padicField/17.6.0.1}{6} }^{3}{,}\,{\href{/padicField/17.2.0.1}{2} }{,}\,{\href{/padicField/17.1.0.1}{1} }$ | $21$ | ${\href{/padicField/23.6.0.1}{6} }{,}\,{\href{/padicField/23.4.0.1}{4} }^{3}{,}\,{\href{/padicField/23.3.0.1}{3} }$ | ${\href{/padicField/29.6.0.1}{6} }{,}\,{\href{/padicField/29.4.0.1}{4} }^{3}{,}\,{\href{/padicField/29.3.0.1}{3} }$ | ${\href{/padicField/31.12.0.1}{12} }{,}\,{\href{/padicField/31.6.0.1}{6} }{,}\,{\href{/padicField/31.3.0.1}{3} }$ | $21$ | ${\href{/padicField/41.6.0.1}{6} }{,}\,{\href{/padicField/41.4.0.1}{4} }^{3}{,}\,{\href{/padicField/41.3.0.1}{3} }$ | ${\href{/padicField/43.12.0.1}{12} }{,}\,{\href{/padicField/43.6.0.1}{6} }{,}\,{\href{/padicField/43.3.0.1}{3} }$ | ${\href{/padicField/47.6.0.1}{6} }{,}\,{\href{/padicField/47.4.0.1}{4} }^{3}{,}\,{\href{/padicField/47.3.0.1}{3} }$ | ${\href{/padicField/53.6.0.1}{6} }^{3}{,}\,{\href{/padicField/53.2.0.1}{2} }{,}\,{\href{/padicField/53.1.0.1}{1} }$ | ${\href{/padicField/59.6.0.1}{6} }{,}\,{\href{/padicField/59.4.0.1}{4} }^{3}{,}\,{\href{/padicField/59.3.0.1}{3} }$ |
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 |
|---|---|---|---|---|---|---|---|
|
\(2\)
| 2.3.0.1 | $x^{3} + x + 1$ | $1$ | $3$ | $0$ | $C_3$ | $$[\ ]^{3}$$ |
| 2.4.6.9 | $x^{4} + 2 x^{3} + 6$ | $4$ | $1$ | $6$ | $D_{4}$ | $$[2, 2]^{2}$$ | |
| 2.6.0.1 | $x^{6} + x^{4} + x^{3} + x + 1$ | $1$ | $6$ | $0$ | $C_6$ | $$[\ ]^{6}$$ | |
| 2.8.12.14 | $x^{8} + 4 x^{7} + 12 x^{6} + 22 x^{5} + 31 x^{4} + 30 x^{3} + 22 x^{2} + 10 x + 9$ | $4$ | $2$ | $12$ | $D_4$ | $$[2, 2]^{2}$$ | |
|
\(3\)
| 3.6.11.9 | $x^{6} + 3$ | $6$ | $1$ | $11$ | $S_3$ | $$[\frac{5}{2}]_{2}$$ |
| 3.15.25.41 | $x^{15} + 6 x^{11} + 3 x^{10} + 12 x^{7} + 12 x^{6} + 3 x^{5} + 8 x^{3} + 12 x^{2} + 6 x + 4$ | $3$ | $5$ | $25$ | $S_3 \times C_5$ | $$[\frac{5}{2}]_{2}^{5}$$ | |
|
\(5\)
| 5.3.0.1 | $x^{3} + 3 x + 3$ | $1$ | $3$ | $0$ | $C_3$ | $$[\ ]^{3}$$ |
| 5.4.2.2 | $x^{4} + 8 x^{3} + 20 x^{2} + 21 x + 4$ | $2$ | $2$ | $2$ | $C_4$ | $$[\ ]_{2}^{2}$$ | |
| 5.4.2.2 | $x^{4} + 8 x^{3} + 20 x^{2} + 21 x + 4$ | $2$ | $2$ | $2$ | $C_4$ | $$[\ ]_{2}^{2}$$ | |
| 5.4.2.2 | $x^{4} + 8 x^{3} + 20 x^{2} + 21 x + 4$ | $2$ | $2$ | $2$ | $C_4$ | $$[\ ]_{2}^{2}$$ | |
| 5.6.0.1 | $x^{6} + x^{4} + 4 x^{3} + x^{2} + 2$ | $1$ | $6$ | $0$ | $C_6$ | $$[\ ]^{6}$$ | |
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\(113\)
| $\Q_{113}$ | $x + 110$ | $1$ | $1$ | $0$ | Trivial | $$[\ ]$$ |
| 113.2.0.1 | $x^{2} + 101 x + 3$ | $1$ | $2$ | $0$ | $C_2$ | $$[\ ]^{2}$$ | |
| 113.2.0.1 | $x^{2} + 101 x + 3$ | $1$ | $2$ | $0$ | $C_2$ | $$[\ ]^{2}$$ | |
| 113.2.1.2 | $x^{2} + 339$ | $2$ | $1$ | $1$ | $C_2$ | $$[\ ]_{2}$$ | |
| 113.2.0.1 | $x^{2} + 101 x + 3$ | $1$ | $2$ | $0$ | $C_2$ | $$[\ ]^{2}$$ | |
| 113.2.0.1 | $x^{2} + 101 x + 3$ | $1$ | $2$ | $0$ | $C_2$ | $$[\ ]^{2}$$ | |
| 113.2.1.2 | $x^{2} + 339$ | $2$ | $1$ | $1$ | $C_2$ | $$[\ ]_{2}$$ | |
| 113.4.2.1 | $x^{4} + 202 x^{3} + 10207 x^{2} + 606 x + 122$ | $2$ | $2$ | $2$ | $C_2^2$ | $$[\ ]_{2}^{2}$$ | |
| 113.4.2.1 | $x^{4} + 202 x^{3} + 10207 x^{2} + 606 x + 122$ | $2$ | $2$ | $2$ | $C_2^2$ | $$[\ ]_{2}^{2}$$ |