Properties

Label 2.981.24t22.a
Dimension $2$
Group $\textrm{GL(2,3)}$
Conductor $981$
Indicator $0$

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Basic invariants

Dimension:$2$
Group:$\textrm{GL(2,3)}$
Conductor:\(981\)\(\medspace = 3^{2} \cdot 109 \)
Artin number field: Galois closure of 8.2.2832228423.1
Galois orbit size: $2$
Smallest permutation container: 24T22
Parity: odd
Projective image: $S_4$
Projective field: Galois closure of 4.2.2943.1

Galois action

Roots of defining polynomial

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

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

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

Character values on conjugacy classes

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