Properties

Label 2.278784.8t5.h.a
Dimension $2$
Group $Q_8$
Conductor $278784$
Root number $-1$
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 field: Galois closure of 8.0.21667237072994304.2
Galois orbit size: $1$
Smallest permutation container: $Q_8$
Parity: even
Determinant: 1.1.1t1.a.a
Projective image: $C_2^2$
Projective field: Galois closure of \(\Q(\sqrt{6}, \sqrt{11})\)

Defining polynomial

$f(x)$$=$ \( x^{8} + 132x^{6} + 5940x^{4} + 100188x^{2} + 393129 \) Copy content Toggle raw display .

The roots of $f$ are computed in $\Q_{ 43 }$ to precision 10.

Roots:
$r_{ 1 }$ $=$ \( 2 + 40\cdot 43 + 31\cdot 43^{2} + 41\cdot 43^{3} + 19\cdot 43^{4} + 29\cdot 43^{5} + 38\cdot 43^{8} + 7\cdot 43^{9} +O(43^{10})\) Copy content Toggle raw display
$r_{ 2 }$ $=$ \( 5 + 19\cdot 43 + 7\cdot 43^{2} + 5\cdot 43^{3} + 8\cdot 43^{4} + 19\cdot 43^{5} + 3\cdot 43^{6} + 17\cdot 43^{7} + 30\cdot 43^{9} +O(43^{10})\) Copy content Toggle raw display
$r_{ 3 }$ $=$ \( 16 + 12\cdot 43 + 12\cdot 43^{2} + 43^{3} + 25\cdot 43^{4} + 36\cdot 43^{5} + 18\cdot 43^{6} + 43^{7} + 11\cdot 43^{8} + 3\cdot 43^{9} +O(43^{10})\) Copy content Toggle raw display
$r_{ 4 }$ $=$ \( 20 + 36\cdot 43 + 39\cdot 43^{2} + 23\cdot 43^{3} + 43^{4} + 12\cdot 43^{5} + 10\cdot 43^{6} + 12\cdot 43^{7} + 35\cdot 43^{8} + 35\cdot 43^{9} +O(43^{10})\) Copy content Toggle raw display
$r_{ 5 }$ $=$ \( 23 + 6\cdot 43 + 3\cdot 43^{2} + 19\cdot 43^{3} + 41\cdot 43^{4} + 30\cdot 43^{5} + 32\cdot 43^{6} + 30\cdot 43^{7} + 7\cdot 43^{8} + 7\cdot 43^{9} +O(43^{10})\) Copy content Toggle raw display
$r_{ 6 }$ $=$ \( 27 + 30\cdot 43 + 30\cdot 43^{2} + 41\cdot 43^{3} + 17\cdot 43^{4} + 6\cdot 43^{5} + 24\cdot 43^{6} + 41\cdot 43^{7} + 31\cdot 43^{8} + 39\cdot 43^{9} +O(43^{10})\) Copy content Toggle raw display
$r_{ 7 }$ $=$ \( 38 + 23\cdot 43 + 35\cdot 43^{2} + 37\cdot 43^{3} + 34\cdot 43^{4} + 23\cdot 43^{5} + 39\cdot 43^{6} + 25\cdot 43^{7} + 42\cdot 43^{8} + 12\cdot 43^{9} +O(43^{10})\) Copy content Toggle raw display
$r_{ 8 }$ $=$ \( 41 + 2\cdot 43 + 11\cdot 43^{2} + 43^{3} + 23\cdot 43^{4} + 13\cdot 43^{5} + 42\cdot 43^{6} + 42\cdot 43^{7} + 4\cdot 43^{8} + 35\cdot 43^{9} +O(43^{10})\) Copy content Toggle raw display

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

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

Character values on conjugacy classes

SizeOrderAction on $r_1, \ldots, r_{ 8 }$ Character value
$1$$1$$()$$2$
$1$$2$$(1,8)(2,7)(3,6)(4,5)$$-2$
$2$$4$$(1,5,8,4)(2,3,7,6)$$0$
$2$$4$$(1,7,8,2)(3,4,6,5)$$0$
$2$$4$$(1,3,8,6)(2,4,7,5)$$0$

The blue line marks the conjugacy class containing complex conjugation.