Normalized defining polynomial
\( x^{18} - 10x^{16} - 21x^{14} + 184x^{12} - x^{10} - 778x^{8} + 693x^{6} + 140x^{4} - 176x^{2} - 16 \)
Invariants
| Degree: | $18$ |
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| Signature: | $(10, 4)$ |
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| Discriminant: |
\(2855870434202241384378793984\)
\(\medspace = 2^{20}\cdot 37^{6}\cdot 101^{6}\)
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| Root discriminant: | \(33.52\) |
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| Galois root discriminant: | $2^{19/12}37^{1/2}101^{1/2}\approx 183.1860403967972$ | ||
| Ramified primes: |
\(2\), \(37\), \(101\)
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| Discriminant root field: | \(\Q\) | ||
| $\Aut(K/\Q)$: | $C_2$ |
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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 \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $\frac{1}{2}a^{5}-\frac{1}{2}a^{4}-\frac{1}{2}a^{3}-\frac{1}{2}a^{2}$, $\frac{1}{2}a^{6}-\frac{1}{2}a^{2}$, $\frac{1}{2}a^{7}-\frac{1}{2}a^{3}$, $\frac{1}{2}a^{8}-\frac{1}{2}a^{4}$, $\frac{1}{8}a^{9}-\frac{1}{4}a^{8}-\frac{1}{8}a^{7}-\frac{1}{4}a^{6}-\frac{1}{8}a^{5}+\frac{1}{4}a^{4}-\frac{3}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}$, $\frac{1}{8}a^{10}-\frac{1}{8}a^{8}-\frac{1}{8}a^{6}-\frac{3}{8}a^{4}-\frac{1}{2}a^{3}-\frac{1}{2}a$, $\frac{1}{8}a^{11}-\frac{1}{4}a^{8}-\frac{1}{4}a^{7}-\frac{1}{4}a^{6}+\frac{1}{4}a^{4}+\frac{1}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}$, $\frac{1}{8}a^{12}-\frac{1}{4}a^{8}+\frac{1}{8}a^{4}-\frac{1}{2}a^{3}-\frac{1}{2}a$, $\frac{1}{16}a^{13}-\frac{1}{8}a^{7}+\frac{3}{16}a^{5}+\frac{3}{8}a^{3}-\frac{1}{2}a^{2}-\frac{1}{2}a-\frac{1}{2}$, $\frac{1}{16}a^{14}-\frac{1}{8}a^{8}+\frac{3}{16}a^{6}+\frac{3}{8}a^{4}-\frac{1}{2}a^{3}-\frac{1}{2}a^{2}-\frac{1}{2}a$, $\frac{1}{16}a^{15}-\frac{1}{4}a^{8}+\frac{1}{16}a^{7}-\frac{1}{4}a^{6}-\frac{1}{4}a^{5}+\frac{1}{4}a^{4}-\frac{3}{8}a^{3}-\frac{1}{4}a^{2}-\frac{1}{2}$, $\frac{1}{18117584}a^{16}+\frac{185885}{9058792}a^{14}+\frac{499645}{9058792}a^{12}-\frac{438211}{9058792}a^{10}-\frac{481713}{18117584}a^{8}-\frac{150847}{2264698}a^{6}-\frac{4157823}{9058792}a^{4}-\frac{1}{2}a^{3}-\frac{225823}{2264698}a^{2}-\frac{1}{2}a+\frac{204647}{1132349}$, $\frac{1}{36235168}a^{17}-\frac{1}{36235168}a^{16}-\frac{760579}{36235168}a^{15}+\frac{760579}{36235168}a^{14}+\frac{499645}{18117584}a^{13}-\frac{499645}{18117584}a^{12}-\frac{438211}{18117584}a^{11}+\frac{438211}{18117584}a^{10}+\frac{1782985}{36235168}a^{9}+\frac{7275807}{36235168}a^{8}+\frac{4454969}{36235168}a^{7}+\frac{4603823}{36235168}a^{6}+\frac{751961}{9058792}a^{5}-\frac{3016659}{9058792}a^{4}+\frac{2038875}{4529396}a^{3}+\frac{339543}{1132349}a^{2}+\frac{204647}{2264698}a-\frac{204647}{2264698}$
| Monogenic: | No | |
| Index: | Not computed | |
| Inessential primes: | $2$ |
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: | $13$ |
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| Torsion generator: |
\( -1 \)
(order $2$)
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| Fundamental units: |
$\frac{42479}{4529396}a^{16}-\frac{453673}{4529396}a^{14}-\frac{329701}{2264698}a^{12}+\frac{2224769}{1132349}a^{10}-\frac{3404795}{4529396}a^{8}-\frac{40830689}{4529396}a^{6}+\frac{19486689}{2264698}a^{4}+\frac{7763789}{2264698}a^{2}-\frac{505789}{1132349}$, $\frac{60021}{9058792}a^{16}-\frac{1256797}{18117584}a^{14}-\frac{1009091}{9058792}a^{12}+\frac{3000943}{2264698}a^{10}-\frac{644794}{1132349}a^{8}-\frac{107705479}{18117584}a^{6}+\frac{8634987}{1132349}a^{4}+\frac{3587541}{2264698}a^{2}-\frac{3473428}{1132349}$, $\frac{322307}{9058792}a^{17}-\frac{5592627}{18117584}a^{15}-\frac{10584577}{9058792}a^{13}+\frac{11598661}{2264698}a^{11}+\frac{31854045}{4529396}a^{9}-\frac{371601869}{18117584}a^{7}-\frac{12504215}{4529396}a^{5}+\frac{42813659}{4529396}a^{3}-\frac{1469591}{1132349}a$, $\frac{34280}{1132349}a^{17}-\frac{312395}{1132349}a^{15}-\frac{4040039}{4529396}a^{13}+\frac{44326373}{9058792}a^{11}+\frac{41287529}{9058792}a^{9}-\frac{195033783}{9058792}a^{7}+\frac{14906557}{9058792}a^{5}+\frac{60677751}{4529396}a^{3}+\frac{1824284}{1132349}a$, $\frac{106941}{9058792}a^{16}-\frac{2032687}{18117584}a^{14}-\frac{2629683}{9058792}a^{12}+\frac{4299803}{2264698}a^{10}+\frac{2938609}{4529396}a^{8}-\frac{123459413}{18117584}a^{6}+\frac{22644065}{4529396}a^{4}-\frac{2395018}{1132349}a^{2}+\frac{491408}{1132349}$, $\frac{1299311}{36235168}a^{17}+\frac{1321235}{36235168}a^{16}-\frac{11835883}{36235168}a^{15}-\frac{11798505}{36235168}a^{14}-\frac{9402311}{9058792}a^{13}-\frac{20064217}{18117584}a^{12}+\frac{101792365}{18117584}a^{11}+\frac{99038619}{18117584}a^{10}+\frac{173968263}{36235168}a^{9}+\frac{202620299}{36235168}a^{8}-\frac{823300571}{36235168}a^{7}-\frac{776896901}{36235168}a^{6}+\frac{95683879}{18117584}a^{5}+\frac{30414403}{9058792}a^{4}+\frac{57679653}{9058792}a^{3}+\frac{5857658}{1132349}a^{2}+\frac{386844}{1132349}a+\frac{543889}{1132349}$, $\frac{1299311}{36235168}a^{17}-\frac{1321235}{36235168}a^{16}-\frac{11835883}{36235168}a^{15}+\frac{11798505}{36235168}a^{14}-\frac{9402311}{9058792}a^{13}+\frac{20064217}{18117584}a^{12}+\frac{101792365}{18117584}a^{11}-\frac{99038619}{18117584}a^{10}+\frac{173968263}{36235168}a^{9}-\frac{202620299}{36235168}a^{8}-\frac{823300571}{36235168}a^{7}+\frac{776896901}{36235168}a^{6}+\frac{95683879}{18117584}a^{5}-\frac{30414403}{9058792}a^{4}+\frac{57679653}{9058792}a^{3}-\frac{5857658}{1132349}a^{2}+\frac{386844}{1132349}a-\frac{543889}{1132349}$, $\frac{49589}{36235168}a^{17}-\frac{56259}{36235168}a^{16}-\frac{71539}{36235168}a^{15}+\frac{209949}{36235168}a^{14}-\frac{1148631}{9058792}a^{13}+\frac{2168219}{18117584}a^{12}-\frac{2932667}{18117584}a^{11}-\frac{189779}{18117584}a^{10}+\frac{56985997}{36235168}a^{9}-\frac{46243259}{36235168}a^{8}+\frac{55049989}{36235168}a^{7}+\frac{2026689}{36235168}a^{6}-\frac{94766747}{18117584}a^{5}+\frac{5374843}{2264698}a^{4}+\frac{57377}{9058792}a^{3}-\frac{377993}{1132349}a^{2}+\frac{2393043}{2264698}a-\frac{321645}{1132349}$, $\frac{49589}{36235168}a^{17}+\frac{56259}{36235168}a^{16}-\frac{71539}{36235168}a^{15}-\frac{209949}{36235168}a^{14}-\frac{1148631}{9058792}a^{13}-\frac{2168219}{18117584}a^{12}-\frac{2932667}{18117584}a^{11}+\frac{189779}{18117584}a^{10}+\frac{56985997}{36235168}a^{9}+\frac{46243259}{36235168}a^{8}+\frac{55049989}{36235168}a^{7}-\frac{2026689}{36235168}a^{6}-\frac{94766747}{18117584}a^{5}-\frac{5374843}{2264698}a^{4}+\frac{57377}{9058792}a^{3}+\frac{377993}{1132349}a^{2}+\frac{2393043}{2264698}a+\frac{321645}{1132349}$, $\frac{47811}{4529396}a^{17}-\frac{330979}{18117584}a^{16}-\frac{705915}{9058792}a^{15}+\frac{3170651}{18117584}a^{14}-\frac{8515111}{18117584}a^{13}+\frac{1042987}{2264698}a^{12}+\frac{10116147}{9058792}a^{11}-\frac{28856519}{9058792}a^{10}+\frac{18916001}{4529396}a^{9}-\frac{27293247}{18117584}a^{8}-\frac{18706323}{4529396}a^{7}+\frac{245241271}{18117584}a^{6}-\frac{165364669}{18117584}a^{5}-\frac{50523131}{9058792}a^{4}+\frac{4777920}{1132349}a^{3}-\frac{15299989}{4529396}a^{2}+\frac{3529428}{1132349}a-\frac{139280}{1132349}$, $\frac{35521}{9058792}a^{17}-\frac{40}{1132349}a^{16}-\frac{756085}{18117584}a^{15}-\frac{69755}{9058792}a^{14}-\frac{1060375}{18117584}a^{13}+\frac{681967}{9058792}a^{12}+\frac{7079289}{9058792}a^{11}+\frac{948593}{4529396}a^{10}-\frac{3398781}{9058792}a^{9}-\frac{5587397}{4529396}a^{8}-\frac{57122903}{18117584}a^{7}-\frac{6756783}{9058792}a^{6}+\frac{71276343}{18117584}a^{5}+\frac{41883483}{9058792}a^{4}-\frac{7114179}{9058792}a^{3}-\frac{6075697}{2264698}a^{2}+\frac{303363}{1132349}a-\frac{375541}{2264698}$, $\frac{1306349}{18117584}a^{17}+\frac{10989}{2264698}a^{16}-\frac{6088581}{9058792}a^{15}-\frac{67331}{1132349}a^{14}-\frac{35361165}{18117584}a^{13}-\frac{158819}{9058792}a^{12}+\frac{106711419}{9058792}a^{11}+\frac{1511967}{1132349}a^{10}+\frac{133160511}{18117584}a^{9}-\frac{5286909}{4529396}a^{8}-\frac{438596481}{9058792}a^{7}-\frac{16175211}{2264698}a^{6}+\frac{361161625}{18117584}a^{5}+\frac{59736121}{9058792}a^{4}+\frac{118394543}{9058792}a^{3}+\frac{5557291}{1132349}a^{2}-\frac{1533352}{1132349}a-\frac{800045}{2264698}$, $\frac{263149}{9058792}a^{17}-\frac{105627}{18117584}a^{16}-\frac{4702693}{18117584}a^{15}+\frac{456765}{9058792}a^{14}-\frac{971682}{1132349}a^{13}+\frac{826063}{4529396}a^{12}+\frac{37844865}{9058792}a^{11}-\frac{3455435}{4529396}a^{10}+\frac{16242519}{4529396}a^{9}-\frac{12659103}{18117584}a^{8}-\frac{264401955}{18117584}a^{7}+\frac{24712489}{9058792}a^{6}+\frac{75057139}{9058792}a^{5}-\frac{23571911}{9058792}a^{4}-\frac{25942279}{9058792}a^{3}-\frac{10042469}{4529396}a^{2}-\frac{4063101}{2264698}a-\frac{544867}{2264698}$
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| Regulator: | \( 19355196.3347 \) (assuming GRH) |
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| Unit signature rank: | \( 10 \) (assuming GRH) |
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{10}\cdot(2\pi)^{4}\cdot 19355196.3347 \cdot 1}{2\cdot\sqrt{2855870434202241384378793984}}\cr\approx \mathstrut & 0.28901325769 \end{aligned}\] (assuming GRH)
Galois group
$C_2^6:S_3^2$ (as 18T373):
| A solvable group of order 2304 |
| The 30 conjugacy class representatives for $C_2^6:S_3^2$ |
| Character table for $C_2^6:S_3^2$ |
Intermediate fields
| 3.3.148.1, 3.3.404.1, 9.9.3340021539392.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Sibling fields
| Degree 12 sibling: | data not computed |
| Degree 18 siblings: | data not computed |
| Degree 24 siblings: | data not computed |
| Degree 32 sibling: | data not computed |
| Degree 36 siblings: | data not computed |
| Minimal sibling: | 12.4.126546736084484096.1 |
Frobenius cycle types
| $p$ | $2$ | $3$ | $5$ | $7$ | $11$ | $13$ | $17$ | $19$ | $23$ | $29$ | $31$ | $37$ | $41$ | $43$ | $47$ | $53$ | $59$ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cycle type | R | ${\href{/padicField/3.12.0.1}{12} }{,}\,{\href{/padicField/3.6.0.1}{6} }$ | ${\href{/padicField/5.6.0.1}{6} }^{2}{,}\,{\href{/padicField/5.3.0.1}{3} }^{2}$ | ${\href{/padicField/7.6.0.1}{6} }^{2}{,}\,{\href{/padicField/7.3.0.1}{3} }^{2}$ | ${\href{/padicField/11.6.0.1}{6} }^{2}{,}\,{\href{/padicField/11.3.0.1}{3} }^{2}$ | ${\href{/padicField/13.6.0.1}{6} }^{2}{,}\,{\href{/padicField/13.3.0.1}{3} }^{2}$ | ${\href{/padicField/17.6.0.1}{6} }^{2}{,}\,{\href{/padicField/17.3.0.1}{3} }^{2}$ | ${\href{/padicField/19.6.0.1}{6} }^{2}{,}\,{\href{/padicField/19.3.0.1}{3} }^{2}$ | ${\href{/padicField/23.6.0.1}{6} }^{2}{,}\,{\href{/padicField/23.3.0.1}{3} }^{2}$ | ${\href{/padicField/29.4.0.1}{4} }^{3}{,}\,{\href{/padicField/29.2.0.1}{2} }^{3}$ | ${\href{/padicField/31.6.0.1}{6} }^{2}{,}\,{\href{/padicField/31.3.0.1}{3} }^{2}$ | R | ${\href{/padicField/41.12.0.1}{12} }{,}\,{\href{/padicField/41.6.0.1}{6} }$ | ${\href{/padicField/43.4.0.1}{4} }^{2}{,}\,{\href{/padicField/43.2.0.1}{2} }^{4}{,}\,{\href{/padicField/43.1.0.1}{1} }^{2}$ | ${\href{/padicField/47.6.0.1}{6} }^{2}{,}\,{\href{/padicField/47.3.0.1}{3} }^{2}$ | ${\href{/padicField/53.12.0.1}{12} }{,}\,{\href{/padicField/53.6.0.1}{6} }$ | ${\href{/padicField/59.4.0.1}{4} }^{2}{,}\,{\href{/padicField/59.2.0.1}{2} }^{4}{,}\,{\href{/padicField/59.1.0.1}{1} }^{2}$ |
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 |
|---|---|---|---|---|---|---|---|
|
\(2\)
| 2.2.3.4a1.2 | $x^{6} + 3 x^{5} + 6 x^{4} + 7 x^{3} + 6 x^{2} + 3 x + 3$ | $3$ | $2$ | $4$ | $S_3$ | $$[\ ]_{3}^{2}$$ |
| 2.2.6.16a1.8 | $x^{12} + 6 x^{11} + 23 x^{10} + 60 x^{9} + 120 x^{8} + 186 x^{7} + 233 x^{6} + 234 x^{5} + 192 x^{4} + 124 x^{3} + 63 x^{2} + 26 x + 7$ | $6$ | $2$ | $16$ | 12T30 | $$[\frac{4}{3}, \frac{4}{3}, 2]_{3}^{2}$$ | |
|
\(37\)
| $\Q_{37}$ | $x + 35$ | $1$ | $1$ | $0$ | Trivial | $$[\ ]$$ |
| $\Q_{37}$ | $x + 35$ | $1$ | $1$ | $0$ | Trivial | $$[\ ]$$ | |
| 37.2.1.0a1.1 | $x^{2} + 33 x + 2$ | $1$ | $2$ | $0$ | $C_2$ | $$[\ ]^{2}$$ | |
| 37.2.1.0a1.1 | $x^{2} + 33 x + 2$ | $1$ | $2$ | $0$ | $C_2$ | $$[\ ]^{2}$$ | |
| 37.1.2.1a1.1 | $x^{2} + 37$ | $2$ | $1$ | $1$ | $C_2$ | $$[\ ]_{2}$$ | |
| 37.1.2.1a1.1 | $x^{2} + 37$ | $2$ | $1$ | $1$ | $C_2$ | $$[\ ]_{2}$$ | |
| 37.2.2.2a1.2 | $x^{4} + 66 x^{3} + 1093 x^{2} + 132 x + 41$ | $2$ | $2$ | $2$ | $C_2^2$ | $$[\ ]_{2}^{2}$$ | |
| 37.2.2.2a1.2 | $x^{4} + 66 x^{3} + 1093 x^{2} + 132 x + 41$ | $2$ | $2$ | $2$ | $C_2^2$ | $$[\ ]_{2}^{2}$$ | |
|
\(101\)
| 101.3.1.0a1.1 | $x^{3} + 3 x + 99$ | $1$ | $3$ | $0$ | $C_3$ | $$[\ ]^{3}$$ |
| 101.3.1.0a1.1 | $x^{3} + 3 x + 99$ | $1$ | $3$ | $0$ | $C_3$ | $$[\ ]^{3}$$ | |
| 101.6.2.6a1.2 | $x^{12} + 4 x^{10} + 180 x^{9} + 44 x^{8} + 494 x^{7} + 8184 x^{6} + 3868 x^{5} + 12468 x^{4} + 3040 x^{3} + 4569 x^{2} + 268 x + 105$ | $2$ | $6$ | $6$ | $C_6\times C_2$ | $$[\ ]_{2}^{6}$$ |