Properties

Label 2.5e2_151.4t3.3
Dimension 2
Group $D_4$
Conductor $ 5^{2} \cdot 151 $
Frobenius-Schur indicator 1

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Basic invariants

Dimension:$2$
Group:$D_4$
Conductor:$3775= 5^{2} \cdot 151 $
Artin number field: Splitting field of $f= x^{8} + 29 x^{6} + 641 x^{4} + 3509 x^{2} + 14641 $ over $\Q$
Size of Galois orbit: 1
Smallest containing permutation representation: $D_{4}$
Parity: Odd

Galois action

Roots of defining polynomial

The roots of $f$ are computed in $\Q_{ 29 }$ to precision 7.
Roots:
$r_{ 1 }$ $=$ $ 1 + 27\cdot 29 + 18\cdot 29^{2} + 28\cdot 29^{3} + 6\cdot 29^{4} + 7\cdot 29^{5} + 5\cdot 29^{6} +O\left(29^{ 7 }\right)$
$r_{ 2 }$ $=$ $ 11 + 22\cdot 29 + 9\cdot 29^{2} + 11\cdot 29^{3} + 14\cdot 29^{4} + 24\cdot 29^{5} + 28\cdot 29^{6} +O\left(29^{ 7 }\right)$
$r_{ 3 }$ $=$ $ 12 + 19\cdot 29 + 11\cdot 29^{2} + 5\cdot 29^{3} + 29^{4} + 23\cdot 29^{5} + 14\cdot 29^{6} +O\left(29^{ 7 }\right)$
$r_{ 4 }$ $=$ $ 13 + 8\cdot 29 + 29^{2} + 21\cdot 29^{3} + 23\cdot 29^{4} + 8\cdot 29^{5} + 18\cdot 29^{6} +O\left(29^{ 7 }\right)$
$r_{ 5 }$ $=$ $ 16 + 20\cdot 29 + 27\cdot 29^{2} + 7\cdot 29^{3} + 5\cdot 29^{4} + 20\cdot 29^{5} + 10\cdot 29^{6} +O\left(29^{ 7 }\right)$
$r_{ 6 }$ $=$ $ 17 + 9\cdot 29 + 17\cdot 29^{2} + 23\cdot 29^{3} + 27\cdot 29^{4} + 5\cdot 29^{5} + 14\cdot 29^{6} +O\left(29^{ 7 }\right)$
$r_{ 7 }$ $=$ $ 18 + 6\cdot 29 + 19\cdot 29^{2} + 17\cdot 29^{3} + 14\cdot 29^{4} + 4\cdot 29^{5} +O\left(29^{ 7 }\right)$
$r_{ 8 }$ $=$ $ 28 + 29 + 10\cdot 29^{2} + 22\cdot 29^{4} + 21\cdot 29^{5} + 23\cdot 29^{6} +O\left(29^{ 7 }\right)$

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

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

Character values on conjugacy classes

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