Properties

Label 2.176400.8t5.a
Dimension $2$
Group $Q_8$
Conductor $176400$
Indicator $-1$

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Basic invariants

Dimension:$2$
Group:$Q_8$
Conductor:\(176400\)\(\medspace = 2^{4} \cdot 3^{2} \cdot 5^{2} \cdot 7^{2} \)
Frobenius-Schur indicator: $-1$
Root number: $-1$
Artin number field: Galois closure of 8.8.343064484000000.1
Galois orbit size: $1$
Smallest permutation container: $Q_8$
Parity: even
Projective image: $C_2^2$
Projective field: Galois closure of \(\Q(\sqrt{5}, \sqrt{21})\)

Galois action

Roots of defining polynomial

The roots of $f$ are computed in $\Q_{ 109 }$ to precision 10.
Roots:
$r_{ 1 }$ $=$ \( 17 + 11\cdot 109 + 47\cdot 109^{2} + 81\cdot 109^{3} + 11\cdot 109^{4} + 96\cdot 109^{5} + 63\cdot 109^{6} + 91\cdot 109^{7} + 6\cdot 109^{8} + 87\cdot 109^{9} +O(109^{10})\) Copy content Toggle raw display
$r_{ 2 }$ $=$ \( 27 + 17\cdot 109 + 67\cdot 109^{2} + 39\cdot 109^{3} + 40\cdot 109^{4} + 85\cdot 109^{5} + 9\cdot 109^{6} + 63\cdot 109^{7} + 99\cdot 109^{8} + 29\cdot 109^{9} +O(109^{10})\) Copy content Toggle raw display
$r_{ 3 }$ $=$ \( 31 + 101\cdot 109 + 91\cdot 109^{2} + 8\cdot 109^{3} + 98\cdot 109^{4} + 35\cdot 109^{5} + 34\cdot 109^{6} + 91\cdot 109^{7} + 46\cdot 109^{8} + 52\cdot 109^{9} +O(109^{10})\) Copy content Toggle raw display
$r_{ 4 }$ $=$ \( 52 + 15\cdot 109 + 61\cdot 109^{2} + 7\cdot 109^{3} + 29\cdot 109^{4} + 27\cdot 109^{5} + 18\cdot 109^{6} + 78\cdot 109^{7} + 19\cdot 109^{8} + 34\cdot 109^{9} +O(109^{10})\) Copy content Toggle raw display
$r_{ 5 }$ $=$ \( 57 + 93\cdot 109 + 47\cdot 109^{2} + 101\cdot 109^{3} + 79\cdot 109^{4} + 81\cdot 109^{5} + 90\cdot 109^{6} + 30\cdot 109^{7} + 89\cdot 109^{8} + 74\cdot 109^{9} +O(109^{10})\) Copy content Toggle raw display
$r_{ 6 }$ $=$ \( 78 + 7\cdot 109 + 17\cdot 109^{2} + 100\cdot 109^{3} + 10\cdot 109^{4} + 73\cdot 109^{5} + 74\cdot 109^{6} + 17\cdot 109^{7} + 62\cdot 109^{8} + 56\cdot 109^{9} +O(109^{10})\) Copy content Toggle raw display
$r_{ 7 }$ $=$ \( 82 + 91\cdot 109 + 41\cdot 109^{2} + 69\cdot 109^{3} + 68\cdot 109^{4} + 23\cdot 109^{5} + 99\cdot 109^{6} + 45\cdot 109^{7} + 9\cdot 109^{8} + 79\cdot 109^{9} +O(109^{10})\) Copy content Toggle raw display
$r_{ 8 }$ $=$ \( 92 + 97\cdot 109 + 61\cdot 109^{2} + 27\cdot 109^{3} + 97\cdot 109^{4} + 12\cdot 109^{5} + 45\cdot 109^{6} + 17\cdot 109^{7} + 102\cdot 109^{8} + 21\cdot 109^{9} +O(109^{10})\) Copy content Toggle raw display

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

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

Character values on conjugacy classes

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