Normalized defining polynomial
\( x^{15} - 5 x^{14} + 10 x^{13} - 20 x^{12} + 15 x^{11} - 21 x^{10} + 175 x^{9} - 295 x^{8} + 785 x^{7} + \cdots + 72 \)
Invariants
| Degree: | $15$ |
| |
| Signature: | $(3, 6)$ |
| |
| Discriminant: |
\(2834497600000000000000000\)
\(\medspace = 2^{21}\cdot 5^{17}\cdot 11^{6}\)
|
| |
| Root discriminant: | \(42.67\) |
| |
| Galois root discriminant: | not computed | ||
| Ramified primes: |
\(2\), \(5\), \(11\)
|
| |
| Discriminant root field: | \(\Q(\sqrt{10}) \) | ||
| $\Aut(K/\Q)$: | $C_1$ |
| |
| 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 \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $\frac{1}{2}a^{11}-\frac{1}{2}a^{9}-\frac{1}{2}a^{5}-\frac{1}{2}a$, $\frac{1}{2}a^{12}-\frac{1}{2}a^{10}-\frac{1}{2}a^{6}-\frac{1}{2}a^{2}$, $\frac{1}{2}a^{13}-\frac{1}{2}a^{9}-\frac{1}{2}a^{7}-\frac{1}{2}a^{5}-\frac{1}{2}a^{3}-\frac{1}{2}a$, $\frac{1}{58\cdots 96}a^{14}-\frac{84\cdots 01}{29\cdots 98}a^{13}+\frac{15\cdots 11}{14\cdots 99}a^{12}-\frac{69\cdots 65}{29\cdots 98}a^{11}-\frac{13\cdots 49}{58\cdots 96}a^{10}-\frac{46\cdots 17}{29\cdots 98}a^{9}+\frac{98\cdots 15}{58\cdots 96}a^{8}+\frac{48\cdots 31}{29\cdots 98}a^{7}+\frac{12\cdots 87}{58\cdots 96}a^{6}+\frac{86\cdots 23}{29\cdots 98}a^{5}+\frac{13\cdots 15}{58\cdots 96}a^{4}+\frac{13\cdots 15}{14\cdots 99}a^{3}+\frac{24\cdots 51}{58\cdots 96}a^{2}+\frac{30\cdots 45}{29\cdots 98}a+\frac{54\cdots 55}{14\cdots 99}$
| Monogenic: | Not computed | |
| Index: | $1$ | |
| Inessential primes: | None |
Class group and class number
| Ideal class group: | Trivial group, which has order $1$ |
| |
| Narrow class group: | Trivial group, which has order $1$ |
|
Unit group
| Rank: | $8$ |
| |
| Torsion generator: |
\( -1 \)
(order $2$)
|
| |
| Fundamental units: |
$\frac{83\cdots 55}{29\cdots 98}a^{14}-\frac{35\cdots 65}{29\cdots 98}a^{13}+\frac{25\cdots 39}{14\cdots 99}a^{12}-\frac{10\cdots 09}{29\cdots 98}a^{11}+\frac{39\cdots 27}{29\cdots 98}a^{10}-\frac{54\cdots 42}{14\cdots 99}a^{9}+\frac{13\cdots 77}{29\cdots 98}a^{8}-\frac{15\cdots 81}{29\cdots 98}a^{7}+\frac{46\cdots 91}{29\cdots 98}a^{6}-\frac{16\cdots 30}{14\cdots 99}a^{5}+\frac{61\cdots 69}{29\cdots 98}a^{4}-\frac{10\cdots 49}{29\cdots 98}a^{3}+\frac{14\cdots 91}{29\cdots 98}a^{2}-\frac{23\cdots 16}{14\cdots 99}a+\frac{14\cdots 81}{14\cdots 99}$, $\frac{19\cdots 74}{14\cdots 99}a^{14}-\frac{81\cdots 40}{14\cdots 99}a^{13}+\frac{24\cdots 65}{29\cdots 98}a^{12}-\frac{29\cdots 81}{14\cdots 99}a^{11}+\frac{18\cdots 89}{29\cdots 98}a^{10}-\frac{22\cdots 98}{14\cdots 99}a^{9}+\frac{31\cdots 66}{14\cdots 99}a^{8}-\frac{28\cdots 53}{14\cdots 99}a^{7}+\frac{24\cdots 37}{29\cdots 98}a^{6}-\frac{73\cdots 32}{14\cdots 99}a^{5}+\frac{16\cdots 46}{14\cdots 99}a^{4}-\frac{28\cdots 51}{14\cdots 99}a^{3}+\frac{72\cdots 59}{29\cdots 98}a^{2}-\frac{47\cdots 12}{14\cdots 99}a-\frac{27\cdots 93}{14\cdots 99}$, $\frac{91\cdots 87}{58\cdots 96}a^{14}-\frac{75\cdots 39}{29\cdots 98}a^{13}-\frac{11\cdots 57}{29\cdots 98}a^{12}-\frac{12\cdots 91}{14\cdots 99}a^{11}-\frac{19\cdots 57}{58\cdots 96}a^{10}-\frac{63\cdots 15}{14\cdots 99}a^{9}+\frac{10\cdots 57}{58\cdots 96}a^{8}+\frac{10\cdots 65}{29\cdots 98}a^{7}+\frac{47\cdots 63}{58\cdots 96}a^{6}+\frac{21\cdots 47}{14\cdots 99}a^{5}+\frac{10\cdots 09}{58\cdots 96}a^{4}+\frac{12\cdots 47}{14\cdots 99}a^{3}-\frac{11\cdots 01}{58\cdots 96}a^{2}+\frac{41\cdots 13}{14\cdots 99}a+\frac{25\cdots 97}{14\cdots 99}$, $\frac{75\cdots 18}{14\cdots 99}a^{14}-\frac{30\cdots 26}{14\cdots 99}a^{13}+\frac{75\cdots 75}{29\cdots 98}a^{12}-\frac{15\cdots 11}{29\cdots 98}a^{11}-\frac{15\cdots 31}{29\cdots 98}a^{10}-\frac{15\cdots 65}{29\cdots 98}a^{9}+\frac{11\cdots 75}{14\cdots 99}a^{8}-\frac{91\cdots 77}{14\cdots 99}a^{7}+\frac{77\cdots 87}{29\cdots 98}a^{6}-\frac{38\cdots 95}{29\cdots 98}a^{5}+\frac{55\cdots 46}{14\cdots 99}a^{4}-\frac{78\cdots 33}{14\cdots 99}a^{3}+\frac{17\cdots 11}{29\cdots 98}a^{2}+\frac{44\cdots 39}{29\cdots 98}a-\frac{13\cdots 49}{14\cdots 99}$, $\frac{93\cdots 01}{14\cdots 99}a^{14}-\frac{10\cdots 85}{29\cdots 98}a^{13}+\frac{11\cdots 61}{14\cdots 99}a^{12}-\frac{21\cdots 49}{14\cdots 99}a^{11}+\frac{19\cdots 61}{14\cdots 99}a^{10}-\frac{40\cdots 75}{29\cdots 98}a^{9}+\frac{16\cdots 55}{14\cdots 99}a^{8}-\frac{67\cdots 99}{29\cdots 98}a^{7}+\frac{80\cdots 92}{14\cdots 99}a^{6}-\frac{20\cdots 37}{29\cdots 98}a^{5}+\frac{14\cdots 86}{14\cdots 99}a^{4}-\frac{46\cdots 29}{29\cdots 98}a^{3}+\frac{31\cdots 51}{14\cdots 99}a^{2}-\frac{38\cdots 35}{29\cdots 98}a+\frac{43\cdots 13}{14\cdots 99}$, $\frac{26\cdots 16}{14\cdots 99}a^{14}-\frac{11\cdots 33}{14\cdots 99}a^{13}+\frac{18\cdots 93}{14\cdots 99}a^{12}-\frac{45\cdots 37}{14\cdots 99}a^{11}+\frac{23\cdots 35}{14\cdots 99}a^{10}-\frac{38\cdots 53}{14\cdots 99}a^{9}+\frac{42\cdots 37}{14\cdots 99}a^{8}-\frac{50\cdots 07}{14\cdots 99}a^{7}+\frac{18\cdots 18}{14\cdots 99}a^{6}-\frac{14\cdots 62}{14\cdots 99}a^{5}+\frac{23\cdots 73}{14\cdots 99}a^{4}-\frac{41\cdots 18}{14\cdots 99}a^{3}+\frac{54\cdots 53}{14\cdots 99}a^{2}-\frac{11\cdots 55}{14\cdots 99}a-\frac{43\cdots 53}{14\cdots 99}$, $\frac{10\cdots 85}{14\cdots 99}a^{14}-\frac{90\cdots 63}{29\cdots 98}a^{13}+\frac{76\cdots 70}{14\cdots 99}a^{12}-\frac{16\cdots 47}{14\cdots 99}a^{11}+\frac{15\cdots 06}{14\cdots 99}a^{10}-\frac{32\cdots 41}{29\cdots 98}a^{9}+\frac{16\cdots 09}{14\cdots 99}a^{8}-\frac{41\cdots 31}{29\cdots 98}a^{7}+\frac{78\cdots 20}{14\cdots 99}a^{6}-\frac{57\cdots 99}{29\cdots 98}a^{5}+\frac{10\cdots 62}{14\cdots 99}a^{4}-\frac{19\cdots 67}{29\cdots 98}a^{3}+\frac{19\cdots 64}{14\cdots 99}a^{2}-\frac{31\cdots 05}{29\cdots 98}a+\frac{39\cdots 49}{14\cdots 99}$, $\frac{69\cdots 79}{29\cdots 98}a^{14}-\frac{31\cdots 49}{29\cdots 98}a^{13}+\frac{53\cdots 45}{29\cdots 98}a^{12}-\frac{11\cdots 63}{29\cdots 98}a^{11}+\frac{21\cdots 48}{14\cdots 99}a^{10}-\frac{58\cdots 07}{14\cdots 99}a^{9}+\frac{11\cdots 75}{29\cdots 98}a^{8}-\frac{14\cdots 27}{29\cdots 98}a^{7}+\frac{23\cdots 22}{14\cdots 99}a^{6}-\frac{16\cdots 06}{14\cdots 99}a^{5}+\frac{66\cdots 95}{29\cdots 98}a^{4}-\frac{10\cdots 09}{29\cdots 98}a^{3}+\frac{61\cdots 96}{14\cdots 99}a^{2}-\frac{72\cdots 52}{14\cdots 99}a-\frac{39\cdots 41}{14\cdots 99}$
|
| |
| Regulator: | \( 25661881.7232 \) |
| |
| Unit signature rank: | \( 3 \) |
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{3}\cdot(2\pi)^{6}\cdot 25661881.7232 \cdot 1}{2\cdot\sqrt{2834497600000000000000000}}\cr\approx \mathstrut & 3.75136786328 \end{aligned}\]
Galois group
$C_3^4:(S_3\times F_5)$ (as 15T64):
| A solvable group of order 9720 |
| The 45 conjugacy class representatives for $C_3^4:(S_3\times F_5)$ |
| Character table for $C_3^4:(S_3\times F_5)$ |
Intermediate fields
| 5.1.200000.1 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Sibling fields
| Degree 15 sibling: | data not computed |
| Degree 30 siblings: | data not computed |
| Degree 45 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 | ${\href{/padicField/3.12.0.1}{12} }{,}\,{\href{/padicField/3.2.0.1}{2} }{,}\,{\href{/padicField/3.1.0.1}{1} }$ | R | ${\href{/padicField/7.12.0.1}{12} }{,}\,{\href{/padicField/7.1.0.1}{1} }^{3}$ | R | ${\href{/padicField/13.12.0.1}{12} }{,}\,{\href{/padicField/13.2.0.1}{2} }{,}\,{\href{/padicField/13.1.0.1}{1} }$ | ${\href{/padicField/17.4.0.1}{4} }^{3}{,}\,{\href{/padicField/17.1.0.1}{1} }^{3}$ | ${\href{/padicField/19.10.0.1}{10} }{,}\,{\href{/padicField/19.5.0.1}{5} }$ | ${\href{/padicField/23.4.0.1}{4} }^{3}{,}\,{\href{/padicField/23.3.0.1}{3} }$ | ${\href{/padicField/29.10.0.1}{10} }{,}\,{\href{/padicField/29.5.0.1}{5} }$ | $15$ | ${\href{/padicField/37.4.0.1}{4} }^{3}{,}\,{\href{/padicField/37.2.0.1}{2} }{,}\,{\href{/padicField/37.1.0.1}{1} }$ | $15$ | ${\href{/padicField/43.4.0.1}{4} }^{3}{,}\,{\href{/padicField/43.2.0.1}{2} }{,}\,{\href{/padicField/43.1.0.1}{1} }$ | ${\href{/padicField/47.4.0.1}{4} }^{3}{,}\,{\href{/padicField/47.3.0.1}{3} }$ | ${\href{/padicField/53.12.0.1}{12} }{,}\,{\href{/padicField/53.2.0.1}{2} }{,}\,{\href{/padicField/53.1.0.1}{1} }$ | ${\href{/padicField/59.10.0.1}{10} }{,}\,{\href{/padicField/59.5.0.1}{5} }$ |
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 |
|---|---|---|---|---|---|---|---|
|
\(2\)
| $\Q_{2}$ | $x + 1$ | $1$ | $1$ | $0$ | Trivial | $$[\ ]$$ |
| 2.1.2.3a1.3 | $x^{2} + 4 x + 2$ | $2$ | $1$ | $3$ | $C_2$ | $$[3]$$ | |
| 2.2.2.6a1.6 | $x^{4} + 2 x^{3} + 7 x^{2} + 14 x + 7$ | $2$ | $2$ | $6$ | $C_4$ | $$[3]^{2}$$ | |
| 2.4.2.12a1.9 | $x^{8} + 2 x^{5} + 6 x^{4} + x^{2} + 6 x + 7$ | $2$ | $4$ | $12$ | $C_4\times C_2$ | $$[3]^{4}$$ | |
|
\(5\)
| 5.1.15.17a1.4 | $x^{15} + 20 x^{3} + 5$ | $15$ | $1$ | $17$ | $F_5 \times S_3$ | $$[\frac{5}{4}]_{12}^{2}$$ |
|
\(11\)
| 11.1.3.2a1.1 | $x^{3} + 11$ | $3$ | $1$ | $2$ | $S_3$ | $$[\ ]_{3}^{2}$$ |
| 11.6.1.0a1.1 | $x^{6} + 3 x^{4} + 4 x^{3} + 6 x^{2} + 7 x + 2$ | $1$ | $6$ | $0$ | $C_6$ | $$[\ ]^{6}$$ | |
| 11.2.3.4a1.2 | $x^{6} + 21 x^{5} + 153 x^{4} + 427 x^{3} + 306 x^{2} + 84 x + 19$ | $3$ | $2$ | $4$ | $S_3$ | $$[\ ]_{3}^{2}$$ |