Properties

Label 2.2e3_13e2.12t11.2
Dimension 2
Group $S_3 \times C_4$
Conductor $ 2^{3} \cdot 13^{2}$
Frobenius-Schur indicator 0

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Basic invariants

Dimension:$2$
Group:$S_3 \times C_4$
Conductor:$1352= 2^{3} \cdot 13^{2} $
Artin number field: Splitting field of $f= x^{12} - 4 x^{10} - 14 x^{9} + 6 x^{8} + 42 x^{7} + 11 x^{6} - 42 x^{5} - 29 x^{4} + 148 x^{3} + 15 x^{2} - 134 x + 107 $ over $\Q$
Size of Galois orbit: 2
Smallest containing permutation representation: $S_3 \times C_4$
Parity: Odd

Galois action

Roots of defining polynomial

The roots of $f$ are computed in an extension of $\Q_{ 19 }$ to precision 7.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 19 }$: $ x^{4} + 2 x^{2} + 11 x + 2 $
Roots:
$r_{ 1 }$ $=$ $ 3 a^{3} + 10 a^{2} + 10 a + 15 + \left(14 a^{3} + 9 a^{2} + 11 a + 10\right)\cdot 19 + \left(9 a^{3} + 7 a + 1\right)\cdot 19^{2} + \left(8 a^{3} + 7 a^{2} + 6 a + 3\right)\cdot 19^{3} + \left(5 a^{3} + 18 a + 7\right)\cdot 19^{4} + \left(6 a^{3} + 7 a + 8\right)\cdot 19^{5} + \left(5 a^{3} + 15 a^{2} + 14 a + 9\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$
$r_{ 2 }$ $=$ $ 16 a^{3} + 12 a + 11 + \left(7 a^{3} + 4 a^{2} + 7 a + 11\right)\cdot 19 + \left(16 a^{3} + 10 a^{2} + 2 a + 10\right)\cdot 19^{2} + \left(12 a^{2} + a + 12\right)\cdot 19^{3} + \left(10 a^{3} + 3 a^{2} + 7 a\right)\cdot 19^{4} + \left(18 a^{3} + 9 a^{2} + 11 a + 2\right)\cdot 19^{5} + \left(4 a^{3} + 11 a^{2} + 18 a + 8\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$
$r_{ 3 }$ $=$ $ 4 a^{3} + 18 a^{2} + 10 a + 17 + \left(15 a^{3} + 12 a^{2} + 9 a + 3\right)\cdot 19 + \left(2 a^{3} + 5 a^{2} + 12 a + 11\right)\cdot 19^{2} + \left(6 a^{3} + 17 a^{2} + 13 a + 17\right)\cdot 19^{3} + \left(16 a^{3} + 12 a^{2} + 10 a + 4\right)\cdot 19^{4} + \left(4 a^{2} + a + 6\right)\cdot 19^{5} + \left(2 a^{3} + 5 a^{2} + 15 a + 15\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$
$r_{ 4 }$ $=$ $ a^{3} + 2 a^{2} + 11 a + 18 + \left(8 a^{3} + 9 a^{2} + 10 a + 5\right)\cdot 19 + \left(11 a^{3} + 6 a^{2} + 15 a + 6\right)\cdot 19^{2} + \left(14 a^{3} + 11 a^{2} + 11 a + 18\right)\cdot 19^{3} + \left(12 a^{3} + 5 a^{2} + 2 a + 6\right)\cdot 19^{4} + \left(11 a^{3} + 14 a^{2} + 12 a + 5\right)\cdot 19^{5} + \left(4 a^{3} + 3 a^{2} + 7 a + 12\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$
$r_{ 5 }$ $=$ $ 8 a^{3} + 18 a + 12 + \left(11 a^{3} + 7 a^{2} + 11 a + 12\right)\cdot 19 + \left(5 a^{3} + 2 a^{2} + 1\right)\cdot 19^{2} + \left(2 a^{3} + 16 a^{2} + 5 a + 7\right)\cdot 19^{3} + \left(7 a^{3} + 14 a^{2} + 18 a + 12\right)\cdot 19^{4} + \left(6 a^{3} + a^{2} + 7 a + 15\right)\cdot 19^{5} + \left(17 a^{3} + 17 a^{2} + 11 a + 11\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$
$r_{ 6 }$ $=$ $ 14 a^{3} + 8 a + 15 + \left(18 a^{3} + 8 a^{2} + 18 a + 13\right)\cdot 19 + \left(15 a^{3} + 6 a^{2} + 15 a + 6\right)\cdot 19^{2} + \left(15 a^{3} + 9 a^{2} + 12 a + 18\right)\cdot 19^{3} + \left(a^{3} + 12 a + 5\right)\cdot 19^{4} + \left(13 a^{3} + 8 a^{2} + 18 a + 1\right)\cdot 19^{5} + \left(15 a^{3} + 9 a^{2} + 7 a + 18\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$
$r_{ 7 }$ $=$ $ 7 a^{3} + 16 a^{2} + 13 a + 5 + \left(4 a^{3} + 6 a^{2} + 5 a + 14\right)\cdot 19 + \left(a^{2} + 7 a + 10\right)\cdot 19^{2} + \left(6 a^{3} + 12 a^{2} + 4 a + 16\right)\cdot 19^{3} + \left(7 a^{3} + 3 a + 17\right)\cdot 19^{4} + \left(4 a^{3} + 7 a^{2} + 10 a + 1\right)\cdot 19^{5} + \left(17 a^{3} + 2 a^{2} + 12 a + 5\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$
$r_{ 8 }$ $=$ $ 14 a^{3} + 12 a^{2} + 15 a + 7 + \left(5 a^{3} + 4 a^{2} + 14 a + 1\right)\cdot 19 + \left(9 a^{3} + 11 a^{2} + 9 a + 3\right)\cdot 19^{2} + \left(5 a^{3} + 2 a^{2} + 9 a + 15\right)\cdot 19^{3} + \left(16 a^{3} + 13 a^{2}\right)\cdot 19^{4} + \left(15 a^{3} + 5 a^{2} + 18 a + 17\right)\cdot 19^{5} + \left(5 a^{3} + 8 a^{2} + 5 a + 7\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$
$r_{ 9 }$ $=$ $ 14 a^{3} + 18 a^{2} + 17 a + 3 + \left(14 a^{3} + 15 a^{2} + 17 a + 9\right)\cdot 19 + \left(4 a^{3} + 6 a^{2} + 9 a + 1\right)\cdot 19^{2} + \left(17 a^{3} + 9 a^{2} + 12 a + 2\right)\cdot 19^{3} + \left(8 a^{3} + 5 a + 7\right)\cdot 19^{4} + \left(6 a^{3} + 5 a + 7\right)\cdot 19^{5} + \left(12 a^{3} + 10 a^{2} + 15 a + 10\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$
$r_{ 10 }$ $=$ $ a^{3} + 4 a^{2} + 15 a + 10 + \left(11 a^{3} + 11 a^{2} + 6 a + 2\right)\cdot 19 + \left(16 a^{3} + 18 a + 7\right)\cdot 19^{2} + \left(13 a^{3} + 4 a^{2} + 16\right)\cdot 19^{3} + \left(11 a^{3} + 14 a^{2} + 3 a + 10\right)\cdot 19^{4} + \left(8 a^{3} + 2 a^{2} + 11 a + 13\right)\cdot 19^{5} + \left(3 a^{3} + 14 a^{2} + 10 a + 7\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$
$r_{ 11 }$ $=$ $ 15 a^{3} + 5 a^{2} + 13 a + 13 + \left(12 a^{3} + 17 a^{2} + 5\right)\cdot 19 + \left(11 a^{3} + 17 a^{2} + 12 a + 10\right)\cdot 19^{2} + \left(15 a^{3} + 7 a^{2} + 11 a + 18\right)\cdot 19^{3} + \left(a^{3} + 4 a^{2} + 16 a\right)\cdot 19^{4} + \left(4 a^{3} + 16 a^{2} + 18 a + 16\right)\cdot 19^{5} + \left(10 a^{3} + 8 a^{2} + 12 a + 1\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$
$r_{ 12 }$ $=$ $ 17 a^{3} + 10 a^{2} + 10 a + 7 + \left(8 a^{3} + 7 a^{2} + 17 a + 3\right)\cdot 19 + \left(9 a^{3} + 6 a^{2} + a + 5\right)\cdot 19^{2} + \left(7 a^{3} + 4 a^{2} + 5 a + 6\right)\cdot 19^{3} + \left(14 a^{3} + 5 a^{2} + 15 a\right)\cdot 19^{4} + \left(17 a^{3} + 6 a^{2} + 9 a\right)\cdot 19^{5} + \left(14 a^{3} + 8 a^{2} + 6\right)\cdot 19^{6} +O\left(19^{ 7 }\right)$

Generators of the action on the roots $r_1, \ldots, r_{ 12 }$

Cycle notation
$(1,12,3,6)(2,10,7,9)(4,5,11,8)$
$(1,9)(2,8)(3,10)(4,11)(5,7)(6,12)$
$(1,3)(2,7)(4,11)(5,8)(6,12)(9,10)$
$(2,6)(4,9)(7,12)(10,11)$
$(1,4)(2,7)(3,11)(5,12)(6,8)(9,10)$

Character values on conjugacy classes

SizeOrderAction on $r_1, \ldots, r_{ 12 }$ Character values
$c1$ $c2$
$1$ $1$ $()$ $2$ $2$
$1$ $2$ $(1,3)(2,7)(4,11)(5,8)(6,12)(9,10)$ $-2$ $-2$
$3$ $2$ $(1,9)(2,8)(3,10)(4,11)(5,7)(6,12)$ $0$ $0$
$3$ $2$ $(1,10)(2,5)(3,9)(7,8)$ $0$ $0$
$2$ $3$ $(1,10,11)(2,6,5)(3,9,4)(7,12,8)$ $-1$ $-1$
$1$ $4$ $(1,8,3,5)(2,10,7,9)(4,6,11,12)$ $-2 \zeta_{4}$ $2 \zeta_{4}$
$1$ $4$ $(1,5,3,8)(2,9,7,10)(4,12,11,6)$ $2 \zeta_{4}$ $-2 \zeta_{4}$
$3$ $4$ $(1,12,3,6)(2,10,7,9)(4,5,11,8)$ $0$ $0$
$3$ $4$ $(1,6,3,12)(2,9,7,10)(4,8,11,5)$ $0$ $0$
$2$ $6$ $(1,4,10,3,11,9)(2,8,6,7,5,12)$ $1$ $1$
$2$ $12$ $(1,2,4,8,10,6,3,7,11,5,9,12)$ $-\zeta_{4}$ $\zeta_{4}$
$2$ $12$ $(1,7,4,5,10,12,3,2,11,8,9,6)$ $\zeta_{4}$ $-\zeta_{4}$
The blue line marks the conjugacy class containing complex conjugation.