Properties

 Label 3.3803e2.42t37.1 Dimension 3 Group $\GL(3,2)$ Conductor $3803^{2}$ Frobenius-Schur indicator 0

Related objects

Basic invariants

 Dimension: $3$ Group: $\GL(3,2)$ Conductor: $14462809= 3803^{2}$ Artin number field: Splitting field of $f= x^{7} - 3 x^{6} + 3 x^{5} + 3 x^{4} - 13 x^{3} + 17 x^{2} - 10 x + 1$ over $\Q$ Size of Galois orbit: 2 Smallest containing permutation representation: $\PSL(2,7)$ Parity: Even

Galois action

Roots of defining polynomial

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

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

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

Character values on conjugacy classes

 Size Order Action on $r_1, \ldots, r_{ 7 }$ Character values $c1$ $c2$ $1$ $1$ $()$ $3$ $3$ $21$ $2$ $(1,4)(2,3)$ $-1$ $-1$ $56$ $3$ $(1,6,3)(2,5,7)$ $0$ $0$ $42$ $4$ $(1,7,6,2)(4,5)$ $1$ $1$ $24$ $7$ $(1,5,4,7,6,2,3)$ $\zeta_{7}^{4} + \zeta_{7}^{2} + \zeta_{7}$ $-\zeta_{7}^{4} - \zeta_{7}^{2} - \zeta_{7} - 1$ $24$ $7$ $(1,7,3,4,2,5,6)$ $-\zeta_{7}^{4} - \zeta_{7}^{2} - \zeta_{7} - 1$ $\zeta_{7}^{4} + \zeta_{7}^{2} + \zeta_{7}$
The blue line marks the conjugacy class containing complex conjugation.