Properties

Label 2.2e6_107.24t22.2c1
Dimension 2
Group $\textrm{GL(2,3)}$
Conductor $ 2^{6} \cdot 107 $
Root number not computed
Frobenius-Schur indicator 0

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Basic invariants

Dimension:$2$
Group:$\textrm{GL(2,3)}$
Conductor:$6848= 2^{6} \cdot 107 $
Artin number field: Splitting field of $f= x^{8} - 100 x^{4} + 280 x^{2} - 428 $ over $\Q$
Size of Galois orbit: 2
Smallest containing permutation representation: 24T22
Parity: Odd
Determinant: 1.107.2t1.1c1

Galois action

Roots of defining polynomial

The roots of $f$ are computed in an extension of $\Q_{ 43 }$ to precision 10.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 43 }$: $ x^{2} + 42 x + 3 $
Roots:
$r_{ 1 }$ $=$ $ 42 a + 8 + \left(22 a + 26\right)\cdot 43 + \left(27 a + 16\right)\cdot 43^{2} + \left(23 a + 36\right)\cdot 43^{3} + \left(19 a + 19\right)\cdot 43^{4} + \left(11 a + 42\right)\cdot 43^{5} + \left(15 a + 31\right)\cdot 43^{6} + \left(9 a + 22\right)\cdot 43^{7} + \left(42 a + 21\right)\cdot 43^{8} + \left(37 a + 16\right)\cdot 43^{9} +O\left(43^{ 10 }\right)$
$r_{ 2 }$ $=$ $ 42 a + 36 + \left(22 a + 35\right)\cdot 43 + \left(27 a + 21\right)\cdot 43^{2} + \left(23 a + 10\right)\cdot 43^{3} + \left(19 a + 27\right)\cdot 43^{4} + \left(11 a + 8\right)\cdot 43^{5} + \left(15 a + 7\right)\cdot 43^{6} + \left(9 a + 26\right)\cdot 43^{7} + \left(42 a + 31\right)\cdot 43^{8} + \left(37 a + 30\right)\cdot 43^{9} +O\left(43^{ 10 }\right)$
$r_{ 3 }$ $=$ $ 36 a + 25 + \left(21 a + 28\right)\cdot 43 + \left(34 a + 36\right)\cdot 43^{2} + \left(13 a + 31\right)\cdot 43^{3} + \left(34 a + 32\right)\cdot 43^{4} + \left(23 a + 26\right)\cdot 43^{5} + \left(3 a + 31\right)\cdot 43^{6} + \left(37 a + 4\right)\cdot 43^{7} + \left(24 a + 6\right)\cdot 43^{8} + \left(33 a + 17\right)\cdot 43^{9} +O\left(43^{ 10 }\right)$
$r_{ 4 }$ $=$ $ 19 + 8\cdot 43 + 28\cdot 43^{2} + 17\cdot 43^{3} + 6\cdot 43^{4} + 29\cdot 43^{5} + 2\cdot 43^{7} + 43^{8} + 3\cdot 43^{9} +O\left(43^{ 10 }\right)$
$r_{ 5 }$ $=$ $ a + 35 + \left(20 a + 16\right)\cdot 43 + \left(15 a + 26\right)\cdot 43^{2} + \left(19 a + 6\right)\cdot 43^{3} + \left(23 a + 23\right)\cdot 43^{4} + 31 a\cdot 43^{5} + \left(27 a + 11\right)\cdot 43^{6} + \left(33 a + 20\right)\cdot 43^{7} + 21\cdot 43^{8} + \left(5 a + 26\right)\cdot 43^{9} +O\left(43^{ 10 }\right)$
$r_{ 6 }$ $=$ $ a + 7 + \left(20 a + 7\right)\cdot 43 + \left(15 a + 21\right)\cdot 43^{2} + \left(19 a + 32\right)\cdot 43^{3} + \left(23 a + 15\right)\cdot 43^{4} + \left(31 a + 34\right)\cdot 43^{5} + \left(27 a + 35\right)\cdot 43^{6} + \left(33 a + 16\right)\cdot 43^{7} + 11\cdot 43^{8} + \left(5 a + 12\right)\cdot 43^{9} +O\left(43^{ 10 }\right)$
$r_{ 7 }$ $=$ $ 7 a + 18 + \left(21 a + 14\right)\cdot 43 + \left(8 a + 6\right)\cdot 43^{2} + \left(29 a + 11\right)\cdot 43^{3} + \left(8 a + 10\right)\cdot 43^{4} + \left(19 a + 16\right)\cdot 43^{5} + \left(39 a + 11\right)\cdot 43^{6} + \left(5 a + 38\right)\cdot 43^{7} + \left(18 a + 36\right)\cdot 43^{8} + \left(9 a + 25\right)\cdot 43^{9} +O\left(43^{ 10 }\right)$
$r_{ 8 }$ $=$ $ 24 + 34\cdot 43 + 14\cdot 43^{2} + 25\cdot 43^{3} + 36\cdot 43^{4} + 13\cdot 43^{5} + 42\cdot 43^{6} + 40\cdot 43^{7} + 41\cdot 43^{8} + 39\cdot 43^{9} +O\left(43^{ 10 }\right)$

Generators of the action on the roots $r_1, \ldots, r_{ 8 }$

Cycle notation
$(1,3,5,7)(2,4,6,8)$
$(1,5)(2,8)(4,6)$
$(1,6,8)(2,4,5)$
$(1,5)(2,6)(3,7)(4,8)$
$(1,6,5,2)(3,4,7,8)$

Character values on conjugacy classes

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