Basic invariants
Dimension: | $16$ |
Group: | $((C_3^2:Q_8):C_3):C_2$ |
Conductor: | \(383\!\cdots\!016\)\(\medspace = 2^{10} \cdot 3^{14} \cdot 97^{8} \) |
Frobenius-Schur indicator: | $1$ |
Root number: | $1$ |
Artin stem field: | Galois closure of 9.3.127745014464.2 |
Galois orbit size: | $1$ |
Smallest permutation container: | 24T1334 |
Parity: | even |
Determinant: | 1.1.1t1.a.a |
Projective image: | $C_3^2:\GL(2,3)$ |
Projective stem field: | Galois closure of 9.3.127745014464.2 |
Defining polynomial
$f(x)$ | $=$ |
\( x^{9} - x^{8} - 7x^{7} + 8x^{6} + 8x^{5} - x^{4} - 25x^{3} + 11x^{2} + 8x + 1 \)
|
The roots of $f$ are computed in an extension of $\Q_{ 17 }$ to precision 10.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 17 }$:
\( x^{4} + 7x^{2} + 10x + 3 \)
Roots:
$r_{ 1 }$ | $=$ |
\( 2 a^{3} + 14 a^{2} + 10 a + 13 + \left(2 a^{3} + 15 a^{2} + 11 a + 14\right)\cdot 17 + \left(10 a^{2} + 15 a + 12\right)\cdot 17^{2} + \left(9 a^{3} + 12 a^{2} + 12 a + 16\right)\cdot 17^{3} + \left(a^{3} + a^{2} + 14 a + 14\right)\cdot 17^{4} + \left(4 a^{3} + 16 a^{2} + 2 a + 1\right)\cdot 17^{5} + \left(2 a^{3} + 6 a^{2} + 10 a + 14\right)\cdot 17^{6} + \left(15 a^{3} + 3 a^{2} + 4 a + 5\right)\cdot 17^{7} + \left(2 a^{3} + 4 a^{2} + 16 a + 12\right)\cdot 17^{8} + \left(3 a^{3} + 12 a + 8\right)\cdot 17^{9} +O(17^{10})\)
$r_{ 2 }$ |
$=$ |
\( 9 + 14\cdot 17 + 2\cdot 17^{2} + 6\cdot 17^{3} + 16\cdot 17^{4} + 17^{5} + 17^{6} + 13\cdot 17^{7} + 17^{8} + 10\cdot 17^{9} +O(17^{10})\)
| $r_{ 3 }$ |
$=$ |
\( a^{3} + 11 a^{2} + 5 a + 10 + \left(12 a^{3} + 3 a^{2} + 7 a + 11\right)\cdot 17 + \left(2 a^{3} + 10 a^{2} + 16 a + 13\right)\cdot 17^{2} + \left(a^{3} + 13 a^{2} + 3 a + 13\right)\cdot 17^{3} + \left(8 a^{3} + 10 a^{2} + 7 a + 11\right)\cdot 17^{4} + \left(14 a^{2} + 16 a + 7\right)\cdot 17^{5} + \left(2 a^{3} + 12 a^{2} + 6 a + 10\right)\cdot 17^{6} + \left(3 a^{3} + 14 a^{2} + 9 a + 8\right)\cdot 17^{7} + \left(13 a^{3} + 4 a^{2} + 5 a + 3\right)\cdot 17^{8} + \left(6 a^{3} + 10 a^{2} + 7 a + 15\right)\cdot 17^{9} +O(17^{10})\)
| $r_{ 4 }$ |
$=$ |
\( 7 a^{2} + 15 a + 14 + \left(12 a^{3} + 6 a^{2} + 4 a + 3\right)\cdot 17 + \left(8 a^{3} + 10 a^{2} + 3 a + 8\right)\cdot 17^{2} + \left(2 a^{3} + 16 a^{2} + 7 a\right)\cdot 17^{3} + \left(12 a^{3} + 13 a^{2} + a + 11\right)\cdot 17^{4} + \left(2 a^{3} + 9 a^{2} + 15 a + 7\right)\cdot 17^{5} + \left(7 a^{3} + 8 a^{2} + 11 a + 8\right)\cdot 17^{6} + \left(3 a^{3} + 8 a^{2} + 16 a + 14\right)\cdot 17^{7} + \left(2 a^{3} + 5 a + 7\right)\cdot 17^{8} + \left(4 a^{3} + 14 a^{2} + 2 a + 8\right)\cdot 17^{9} +O(17^{10})\)
| $r_{ 5 }$ |
$=$ |
\( 5 a^{3} + 14 a^{2} + 10 a + 10 + \left(10 a^{3} + 10 a^{2} + 14 a + 7\right)\cdot 17 + \left(13 a^{3} + 13 a^{2} + 6 a + 4\right)\cdot 17^{2} + \left(3 a^{3} + 13 a^{2} + 14 a + 7\right)\cdot 17^{3} + \left(2 a^{3} + a^{2} + 2 a + 3\right)\cdot 17^{4} + \left(9 a^{3} + 5 a^{2} + a + 1\right)\cdot 17^{5} + \left(a^{3} + 4 a^{2} + 15 a + 8\right)\cdot 17^{6} + \left(15 a^{3} + a^{2} + a + 6\right)\cdot 17^{7} + \left(9 a^{3} + 5 a^{2} + 7 a + 8\right)\cdot 17^{8} + \left(9 a^{2} + 13 a + 12\right)\cdot 17^{9} +O(17^{10})\)
| $r_{ 6 }$ |
$=$ |
\( 15 a^{3} + 4 a^{2} + 14 a + 14 + \left(5 a^{3} + 3 a^{2} + 12 a + 14\right)\cdot 17 + \left(2 a^{3} + 4 a^{2} + 10 a + 6\right)\cdot 17^{2} + \left(8 a^{3} + a^{2} + 7 a + 14\right)\cdot 17^{3} + \left(7 a^{3} + 10 a^{2} + 3 a + 4\right)\cdot 17^{4} + \left(2 a^{3} + 12 a^{2} + 10 a + 15\right)\cdot 17^{5} + \left(7 a^{3} + 4 a^{2} + 16 a + 11\right)\cdot 17^{6} + \left(9 a^{3} + 16 a^{2} + 9 a + 1\right)\cdot 17^{7} + \left(9 a^{3} + 13 a^{2} + 8 a + 8\right)\cdot 17^{8} + \left(9 a^{3} + 2 a^{2} + 6 a + 1\right)\cdot 17^{9} +O(17^{10})\)
| $r_{ 7 }$ |
$=$ |
\( a^{3} + 12 a^{2} + 5 + \left(4 a^{3} + 3 a^{2} + 9 a + 11\right)\cdot 17 + \left(3 a^{3} + 9 a^{2} + 3 a + 5\right)\cdot 17^{2} + \left(5 a^{3} + 2 a^{2} + 15 a + 5\right)\cdot 17^{3} + \left(6 a^{3} + 16 a^{2} + 4 a\right)\cdot 17^{4} + \left(11 a^{3} + 13 a^{2} + 9 a + 2\right)\cdot 17^{5} + \left(7 a^{2} + 15 a + 8\right)\cdot 17^{6} + \left(a^{3} + 11 a^{2} + 14 a + 15\right)\cdot 17^{7} + \left(9 a^{3} + 14 a^{2} + 13 a + 6\right)\cdot 17^{8} + \left(13 a^{3} + 6 a^{2} + 11\right)\cdot 17^{9} +O(17^{10})\)
| $r_{ 8 }$ |
$=$ |
\( 4 a^{3} + 15 a^{2} + 12 a + 6 + \left(9 a^{3} + 10 a^{2} + 3 a + 8\right)\cdot 17 + \left(a^{3} + 12 a + 4\right)\cdot 17^{2} + \left(11 a^{3} + 9 a^{2} + 13 a + 11\right)\cdot 17^{3} + \left(11 a^{3} + 13 a^{2} + 7 a + 4\right)\cdot 17^{4} + \left(2 a^{3} + 5 a^{2} + 16 a + 6\right)\cdot 17^{5} + \left(10 a^{3} + 14 a^{2} + 13 a + 14\right)\cdot 17^{6} + \left(3 a^{3} + 14 a^{2} + 14 a + 1\right)\cdot 17^{7} + \left(3 a^{3} + 9 a^{2} + 10 a + 9\right)\cdot 17^{8} + \left(16 a^{3} + 15 a^{2} + 7 a + 15\right)\cdot 17^{9} +O(17^{10})\)
| $r_{ 9 }$ |
$=$ |
\( 6 a^{3} + 8 a^{2} + 2 a + 5 + \left(12 a^{3} + 13 a^{2} + 4 a + 15\right)\cdot 17 + \left(a^{3} + 8 a^{2} + 16 a + 8\right)\cdot 17^{2} + \left(10 a^{3} + 15 a^{2} + 9 a + 9\right)\cdot 17^{3} + \left(a^{3} + 16 a^{2} + 8 a\right)\cdot 17^{4} + \left(a^{3} + 6 a^{2} + 13 a + 7\right)\cdot 17^{5} + \left(3 a^{3} + 8 a^{2} + 11 a + 8\right)\cdot 17^{6} + \left(14 a^{2} + 12 a\right)\cdot 17^{7} + \left(a^{3} + 14 a^{2} + 16 a + 10\right)\cdot 17^{8} + \left(14 a^{3} + 8 a^{2} + 16 a + 1\right)\cdot 17^{9} +O(17^{10})\)
| |
Generators of the action on the roots $r_1, \ldots, r_{ 9 }$
Cycle notation |
Character values on conjugacy classes
Size | Order | Action on $r_1, \ldots, r_{ 9 }$ | Character value |
$1$ | $1$ | $()$ | $16$ |
$9$ | $2$ | $(1,2)(3,5)(4,6)(7,9)$ | $0$ |
$36$ | $2$ | $(1,9)(4,7)(5,8)$ | $0$ |
$8$ | $3$ | $(1,2,8)(3,9,4)(5,6,7)$ | $-2$ |
$24$ | $3$ | $(1,3,7)(2,5,9)$ | $-2$ |
$48$ | $3$ | $(1,9,5)(2,4,6)(3,7,8)$ | $1$ |
$54$ | $4$ | $(1,9,2,7)(3,6,5,4)$ | $0$ |
$72$ | $6$ | $(1,7,5,9,4,8)(2,3,6)$ | $0$ |
$72$ | $6$ | $(2,6,5,8,9,4)(3,7)$ | $0$ |
$54$ | $8$ | $(1,2,4,8,7,6,9,5)$ | $0$ |
$54$ | $8$ | $(1,6,4,5,7,2,9,8)$ | $0$ |
The blue line marks the conjugacy class containing complex conjugation.