Properties

Label 2.278784.8t5.d
Dimension $2$
Group $Q_8$
Conductor $278784$
Indicator $-1$

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Basic invariants

Dimension:$2$
Group:$Q_8$
Conductor:\(278784\)\(\medspace = 2^{8} \cdot 3^{2} \cdot 11^{2} \)
Frobenius-Schur indicator: $-1$
Root number: $1$
Artin number field: Galois closure of 8.0.5416809268248576.2
Galois orbit size: $1$
Smallest permutation container: $Q_8$
Parity: even
Projective image: $C_2^2$
Projective field: Galois closure of \(\Q(\sqrt{2}, \sqrt{33})\)

Galois action

Roots of defining polynomial

The roots of $f$ are computed in $\Q_{ 41 }$ to precision 10.
Roots:
$r_{ 1 }$ $=$ \( 8 + 30\cdot 41 + 7\cdot 41^{2} + 10\cdot 41^{3} + 37\cdot 41^{4} + 21\cdot 41^{5} + 29\cdot 41^{6} + 4\cdot 41^{7} + 28\cdot 41^{8} + 37\cdot 41^{9} +O(41^{10})\) Copy content Toggle raw display
$r_{ 2 }$ $=$ \( 11 + 15\cdot 41 + 22\cdot 41^{2} + 38\cdot 41^{3} + 36\cdot 41^{4} + 7\cdot 41^{5} + 35\cdot 41^{6} + 32\cdot 41^{7} + 41^{8} + 28\cdot 41^{9} +O(41^{10})\) Copy content Toggle raw display
$r_{ 3 }$ $=$ \( 12 + 9\cdot 41 + 13\cdot 41^{2} + 32\cdot 41^{3} + 4\cdot 41^{4} + 13\cdot 41^{5} + 7\cdot 41^{6} + 22\cdot 41^{7} + 30\cdot 41^{8} + 13\cdot 41^{9} +O(41^{10})\) Copy content Toggle raw display
$r_{ 4 }$ $=$ \( 20 + 22\cdot 41 + 21\cdot 41^{2} + 28\cdot 41^{3} + 25\cdot 41^{4} + 6\cdot 41^{5} + 41^{6} + 6\cdot 41^{7} + 10\cdot 41^{8} + 24\cdot 41^{9} +O(41^{10})\) Copy content Toggle raw display
$r_{ 5 }$ $=$ \( 21 + 18\cdot 41 + 19\cdot 41^{2} + 12\cdot 41^{3} + 15\cdot 41^{4} + 34\cdot 41^{5} + 39\cdot 41^{6} + 34\cdot 41^{7} + 30\cdot 41^{8} + 16\cdot 41^{9} +O(41^{10})\) Copy content Toggle raw display
$r_{ 6 }$ $=$ \( 29 + 31\cdot 41 + 27\cdot 41^{2} + 8\cdot 41^{3} + 36\cdot 41^{4} + 27\cdot 41^{5} + 33\cdot 41^{6} + 18\cdot 41^{7} + 10\cdot 41^{8} + 27\cdot 41^{9} +O(41^{10})\) Copy content Toggle raw display
$r_{ 7 }$ $=$ \( 30 + 25\cdot 41 + 18\cdot 41^{2} + 2\cdot 41^{3} + 4\cdot 41^{4} + 33\cdot 41^{5} + 5\cdot 41^{6} + 8\cdot 41^{7} + 39\cdot 41^{8} + 12\cdot 41^{9} +O(41^{10})\) Copy content Toggle raw display
$r_{ 8 }$ $=$ \( 33 + 10\cdot 41 + 33\cdot 41^{2} + 30\cdot 41^{3} + 3\cdot 41^{4} + 19\cdot 41^{5} + 11\cdot 41^{6} + 36\cdot 41^{7} + 12\cdot 41^{8} + 3\cdot 41^{9} +O(41^{10})\) Copy content Toggle raw display

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

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

Character values on conjugacy classes

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