# Properties

 Label 8.466...464.21t14.a.a Dimension $8$ Group $\GL(3,2)$ Conductor $4.664\times 10^{14}$ Root number $1$ Indicator $1$

# Learn more about

## Basic invariants

 Dimension: $8$ Group: $\GL(3,2)$ Conductor: $$466369593830464$$$$\medspace = 2^{6} \cdot 31^{4} \cdot 53^{4}$$ Frobenius-Schur indicator: $1$ Root number: $1$ Artin number field: Galois closure of 7.3.172764736.1 Galois orbit size: $1$ Smallest permutation container: $\PSL(2,7)$ Parity: even Determinant: 1.1.1t1.a.a Projective image: $\PSL(2,7)$ Projective field: Galois closure of 7.3.172764736.1

## Defining polynomial

 $f(x)$ $=$ $x^{7} - 2 x^{6} - 2 x^{5} + 4 x^{4} - 2 x^{2} + 4 x - 2$.

The roots of $f$ are computed in an extension of $\Q_{ 11 }$ to precision 6.

Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 11 }$: $x^{3} + 2 x + 9$

Roots:
 $r_{ 1 }$ $=$ $2 a^{2} + 7 a + 9 + \left(2 a^{2} + 8 a + 7\right)\cdot 11 + \left(10 a^{2} + a + 5\right)\cdot 11^{2} + \left(9 a^{2} + 8 a + 6\right)\cdot 11^{3} + \left(6 a^{2} + 5 a + 1\right)\cdot 11^{4} + \left(9 a^{2} + 9 a + 9\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$ $r_{ 2 }$ $=$ $8 a^{2} + a + \left(3 a^{2} + 3 a + 6\right)\cdot 11 + \left(7 a^{2} + 10 a + 2\right)\cdot 11^{2} + \left(9 a^{2} + 3 a + 4\right)\cdot 11^{3} + \left(7 a^{2} + a + 9\right)\cdot 11^{4} + \left(8 a^{2} + 9 a + 10\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$ $r_{ 3 }$ $=$ $4 + 4\cdot 11 + 11^{2} + 2\cdot 11^{3} + 4\cdot 11^{4} + 2\cdot 11^{5} +O\left(11^{ 6 }\right)$ $r_{ 4 }$ $=$ $6 a^{2} + 3 a + 7 + \left(7 a^{2} + 3 a + 7\right)\cdot 11 + 7\cdot 11^{2} + \left(9 a^{2} + 6 a + 1\right)\cdot 11^{3} + \left(3 a^{2} + a + 1\right)\cdot 11^{4} + \left(9 a^{2} + 5 a + 5\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$ $r_{ 5 }$ $=$ $7 a^{2} + 6 + \left(5 a^{2} + 8\right)\cdot 11 + \left(8 a^{2} + 2 a + 7\right)\cdot 11^{2} + \left(8 a^{2} + 5 a + 6\right)\cdot 11^{3} + \left(2 a^{2} + 3 a + 2\right)\cdot 11^{4} + \left(9 a^{2} + 6 a + 4\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$ $r_{ 6 }$ $=$ $3 a^{2} + a + 3 + \left(a^{2} + 10 a + 10\right)\cdot 11 + \left(8 a + 6\right)\cdot 11^{2} + \left(3 a^{2} + 7 a + 4\right)\cdot 11^{3} + \left(3 a + 7\right)\cdot 11^{4} + \left(3 a^{2} + 7 a + 7\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$ $r_{ 7 }$ $=$ $7 a^{2} + 10 a + 6 + \left(a^{2} + 7 a + 10\right)\cdot 11 + \left(6 a^{2} + 9 a\right)\cdot 11^{2} + \left(3 a^{2} + a + 7\right)\cdot 11^{3} + \left(6 a + 6\right)\cdot 11^{4} + \left(4 a^{2} + 6 a + 4\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$

## Generators of the action on the roots $r_1, \ldots, r_{ 7 }$

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

## Character values on conjugacy classes

 Size Order Action on $r_1, \ldots, r_{ 7 }$ Character value $1$ $1$ $()$ $8$ $21$ $2$ $(2,6)(4,5)$ $0$ $56$ $3$ $(1,4,5)(2,6,7)$ $-1$ $42$ $4$ $(1,7,4,2)(3,5)$ $0$ $24$ $7$ $(1,7,4,3,5,2,6)$ $1$ $24$ $7$ $(1,3,6,4,2,7,5)$ $1$

The blue line marks the conjugacy class containing complex conjugation.