Basic invariants
| Dimension: | $2$ |
| Group: | $Q_8$ |
| Conductor: | \(73984\)\(\medspace = 2^{8} \cdot 17^{2} \) |
| Frobenius-Schur indicator: | $-1$ |
| Root number: | $-1$ |
| Artin number field: | Galois closure of 8.0.101240302206976.2 |
| Galois orbit size: | $1$ |
| Smallest permutation container: | $Q_8$ |
| Parity: | even |
| Projective image: | $C_2^2$ |
| Projective field: | Galois closure of \(\Q(\sqrt{2}, \sqrt{17})\) |
Galois action
Roots of defining polynomial
The roots of $f$ are computed in $\Q_{ 47 }$ to precision 10.
Roots:
| $r_{ 1 }$ | $=$ |
\( 10 + 11\cdot 47 + 8\cdot 47^{2} + 41\cdot 47^{3} + 15\cdot 47^{4} + 9\cdot 47^{5} + 19\cdot 47^{6} + 41\cdot 47^{7} + 6\cdot 47^{8} + 2\cdot 47^{9} +O(47^{10})\)
|
| $r_{ 2 }$ | $=$ |
\( 11 + 20\cdot 47 + 6\cdot 47^{2} + 19\cdot 47^{3} + 10\cdot 47^{4} + 45\cdot 47^{5} + 22\cdot 47^{6} + 25\cdot 47^{7} + 6\cdot 47^{8} + 2\cdot 47^{9} +O(47^{10})\)
|
| $r_{ 3 }$ | $=$ |
\( 14 + 45\cdot 47 + 2\cdot 47^{2} + 13\cdot 47^{3} + 44\cdot 47^{4} + 43\cdot 47^{5} + 12\cdot 47^{6} + 34\cdot 47^{7} + 26\cdot 47^{8} + 5\cdot 47^{9} +O(47^{10})\)
|
| $r_{ 4 }$ | $=$ |
\( 19 + 43\cdot 47 + 8\cdot 47^{2} + 9\cdot 47^{3} + 37\cdot 47^{4} + 6\cdot 47^{5} + 44\cdot 47^{6} + 2\cdot 47^{7} + 29\cdot 47^{8} + 21\cdot 47^{9} +O(47^{10})\)
|
| $r_{ 5 }$ | $=$ |
\( 28 + 3\cdot 47 + 38\cdot 47^{2} + 37\cdot 47^{3} + 9\cdot 47^{4} + 40\cdot 47^{5} + 2\cdot 47^{6} + 44\cdot 47^{7} + 17\cdot 47^{8} + 25\cdot 47^{9} +O(47^{10})\)
|
| $r_{ 6 }$ | $=$ |
\( 33 + 47 + 44\cdot 47^{2} + 33\cdot 47^{3} + 2\cdot 47^{4} + 3\cdot 47^{5} + 34\cdot 47^{6} + 12\cdot 47^{7} + 20\cdot 47^{8} + 41\cdot 47^{9} +O(47^{10})\)
|
| $r_{ 7 }$ | $=$ |
\( 36 + 26\cdot 47 + 40\cdot 47^{2} + 27\cdot 47^{3} + 36\cdot 47^{4} + 47^{5} + 24\cdot 47^{6} + 21\cdot 47^{7} + 40\cdot 47^{8} + 44\cdot 47^{9} +O(47^{10})\)
|
| $r_{ 8 }$ | $=$ |
\( 37 + 35\cdot 47 + 38\cdot 47^{2} + 5\cdot 47^{3} + 31\cdot 47^{4} + 37\cdot 47^{5} + 27\cdot 47^{6} + 5\cdot 47^{7} + 40\cdot 47^{8} + 44\cdot 47^{9} +O(47^{10})\)
|
Generators of the action on the roots $r_1, \ldots, r_{ 8 }$
| Cycle notation |
Character values on conjugacy classes
| Size | Order | Action on $r_1, \ldots, r_{ 8 }$ | Character values |
| $c1$ | |||
| $1$ | $1$ | $()$ | $2$ |
| $1$ | $2$ | $(1,8)(2,7)(3,6)(4,5)$ | $-2$ |
| $2$ | $4$ | $(1,5,8,4)(2,6,7,3)$ | $0$ |
| $2$ | $4$ | $(1,7,8,2)(3,5,6,4)$ | $0$ |
| $2$ | $4$ | $(1,6,8,3)(2,4,7,5)$ | $0$ |