Properties

Label 2.3e2_109.24t22.3c1
Dimension 2
Group $\textrm{GL(2,3)}$
Conductor $ 3^{2} \cdot 109 $
Root number not computed
Frobenius-Schur indicator 0

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Basic invariants

Dimension:$2$
Group:$\textrm{GL(2,3)}$
Conductor:$981= 3^{2} \cdot 109 $
Artin number field: Splitting field of $f= x^{8} - 3 x^{7} + 6 x^{6} - 6 x^{5} + 12 x^{3} - 18 x^{2} + 12 x - 3 $ over $\Q$
Size of Galois orbit: 2
Smallest containing permutation representation: 24T22
Parity: Odd
Determinant: 1.3_109.2t1.1c1

Galois action

Roots of defining polynomial

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

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

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

Character values on conjugacy classes

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