Basic invariants
Dimension: | $2$ |
Group: | $\SL(2,3)$ |
Conductor: | \(535824\)\(\medspace = 2^{4} \cdot 3^{2} \cdot 61^{2} \) |
Frobenius-Schur indicator: | $-1$ |
Root number: | $-1$ |
Artin stem field: | Galois closure of 8.8.2583966230784.1 |
Galois orbit size: | $1$ |
Smallest permutation container: | 24T7 |
Parity: | even |
Determinant: | 1.1.1t1.a.a |
Projective image: | $A_4$ |
Projective stem field: | Galois closure of 4.4.33489.1 |
Defining polynomial
$f(x)$ | $=$ | \( x^{8} - 18x^{6} + 63x^{4} - 45x^{2} + 9 \) . |
The roots of $f$ are computed in an extension of $\Q_{ 17 }$ to precision 10.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 17 }$: \( x^{3} + x + 14 \)
Roots:
$r_{ 1 }$ | $=$ | \( 15 a + 14 + \left(4 a^{2} + 14 a + 7\right)\cdot 17 + \left(14 a^{2} + 15 a + 8\right)\cdot 17^{2} + \left(10 a^{2} + 14 a + 15\right)\cdot 17^{3} + \left(15 a^{2} + 13 a + 14\right)\cdot 17^{4} + \left(15 a^{2} + 10 a + 5\right)\cdot 17^{5} + \left(10 a^{2} + 4 a + 14\right)\cdot 17^{6} + \left(15 a^{2} + 10 a + 11\right)\cdot 17^{7} + \left(a + 4\right)\cdot 17^{8} + \left(a^{2} + 3 a + 15\right)\cdot 17^{9} +O(17^{10})\) |
$r_{ 2 }$ | $=$ | \( 13 + 16\cdot 17 + 17^{2} + 17^{3} + 5\cdot 17^{4} + 16\cdot 17^{5} + 15\cdot 17^{6} + 9\cdot 17^{7} + 17^{8} + 3\cdot 17^{9} +O(17^{10})\) |
$r_{ 3 }$ | $=$ | \( 8 a^{2} + a + 14 + \left(12 a^{2} + 5 a + 8\right)\cdot 17 + \left(9 a^{2} + 14 a + 7\right)\cdot 17^{2} + \left(14 a^{2} + 8 a + 1\right)\cdot 17^{3} + \left(4 a^{2} + 10\right)\cdot 17^{4} + \left(14 a + 10\right)\cdot 17^{5} + \left(8 a^{2} + 10 a + 9\right)\cdot 17^{6} + \left(5 a^{2} + 13\right)\cdot 17^{7} + \left(2 a^{2} + a + 8\right)\cdot 17^{8} + \left(8 a^{2} + 13\right)\cdot 17^{9} +O(17^{10})\) |
$r_{ 4 }$ | $=$ | \( 8 a^{2} + 3 a + 8 + \left(8 a^{2} + 7 a + 16\right)\cdot 17 + \left(12 a^{2} + 15 a + 12\right)\cdot 17^{2} + \left(3 a^{2} + 10 a + 10\right)\cdot 17^{3} + \left(6 a^{2} + 3 a + 8\right)\cdot 17^{4} + \left(a^{2} + 3 a + 7\right)\cdot 17^{5} + \left(14 a^{2} + 6 a + 16\right)\cdot 17^{6} + \left(6 a^{2} + 7 a + 5\right)\cdot 17^{7} + \left(a^{2} + 16 a + 16\right)\cdot 17^{8} + \left(7 a^{2} + 13 a + 7\right)\cdot 17^{9} +O(17^{10})\) |
$r_{ 5 }$ | $=$ | \( 2 a + 3 + \left(13 a^{2} + 2 a + 9\right)\cdot 17 + \left(2 a^{2} + a + 8\right)\cdot 17^{2} + \left(6 a^{2} + 2 a + 1\right)\cdot 17^{3} + \left(a^{2} + 3 a + 2\right)\cdot 17^{4} + \left(a^{2} + 6 a + 11\right)\cdot 17^{5} + \left(6 a^{2} + 12 a + 2\right)\cdot 17^{6} + \left(a^{2} + 6 a + 5\right)\cdot 17^{7} + \left(16 a^{2} + 15 a + 12\right)\cdot 17^{8} + \left(15 a^{2} + 13 a + 1\right)\cdot 17^{9} +O(17^{10})\) |
$r_{ 6 }$ | $=$ | \( 4 + 15\cdot 17^{2} + 15\cdot 17^{3} + 11\cdot 17^{4} + 17^{6} + 7\cdot 17^{7} + 15\cdot 17^{8} + 13\cdot 17^{9} +O(17^{10})\) |
$r_{ 7 }$ | $=$ | \( 9 a^{2} + 16 a + 3 + \left(4 a^{2} + 11 a + 8\right)\cdot 17 + \left(7 a^{2} + 2 a + 9\right)\cdot 17^{2} + \left(2 a^{2} + 8 a + 15\right)\cdot 17^{3} + \left(12 a^{2} + 16 a + 6\right)\cdot 17^{4} + \left(16 a^{2} + 2 a + 6\right)\cdot 17^{5} + \left(8 a^{2} + 6 a + 7\right)\cdot 17^{6} + \left(11 a^{2} + 16 a + 3\right)\cdot 17^{7} + \left(14 a^{2} + 15 a + 8\right)\cdot 17^{8} + \left(8 a^{2} + 16 a + 3\right)\cdot 17^{9} +O(17^{10})\) |
$r_{ 8 }$ | $=$ | \( 9 a^{2} + 14 a + 9 + \left(8 a^{2} + 9 a\right)\cdot 17 + \left(4 a^{2} + a + 4\right)\cdot 17^{2} + \left(13 a^{2} + 6 a + 6\right)\cdot 17^{3} + \left(10 a^{2} + 13 a + 8\right)\cdot 17^{4} + \left(15 a^{2} + 13 a + 9\right)\cdot 17^{5} + \left(2 a^{2} + 10 a\right)\cdot 17^{6} + \left(10 a^{2} + 9 a + 11\right)\cdot 17^{7} + 15 a^{2} 17^{8} + \left(9 a^{2} + 3 a + 9\right)\cdot 17^{9} +O(17^{10})\) |
Generators of the action on the roots $r_1, \ldots, r_{ 8 }$
Cycle notation |
Character values on conjugacy classes
Size | Order | Action on $r_1, \ldots, r_{ 8 }$ | Character value |
$1$ | $1$ | $()$ | $2$ |
$1$ | $2$ | $(1,5)(2,6)(3,7)(4,8)$ | $-2$ |
$4$ | $3$ | $(2,3,4)(6,7,8)$ | $-1$ |
$4$ | $3$ | $(2,4,3)(6,8,7)$ | $-1$ |
$6$ | $4$ | $(1,6,5,2)(3,4,7,8)$ | $0$ |
$4$ | $6$ | $(1,5)(2,8,3,6,4,7)$ | $1$ |
$4$ | $6$ | $(1,5)(2,7,4,6,3,8)$ | $1$ |
The blue line marks the conjugacy class containing complex conjugation.