Basic invariants
| Dimension: | $4$ |
| Group: | $C_3^2:D_4$ |
| Conductor: | \(16400\)\(\medspace = 2^{4} \cdot 5^{2} \cdot 41 \) |
| Frobenius-Schur indicator: | $1$ |
| Root number: | $1$ |
| Artin number field: | Galois closure of 6.2.82000.1 |
| Galois orbit size: | $1$ |
| Smallest permutation container: | $C_3^2:D_4$ |
| Parity: | even |
| Projective image: | $\SOPlus(4,2)$ |
| Projective field: | Galois closure of 6.2.82000.1 |
Galois action
Roots of defining polynomial
The roots of $f$ are computed in an extension of $\Q_{ 31 }$ to precision 5.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 31 }$:
\( x^{2} + 29x + 3 \)
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Roots:
| $r_{ 1 }$ | $=$ |
\( a + 25 + \left(23 a + 16\right)\cdot 31 + \left(10 a + 8\right)\cdot 31^{2} + \left(25 a + 15\right)\cdot 31^{3} + \left(13 a + 8\right)\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 2 }$ | $=$ |
\( 30 a + 27 + \left(7 a + 30\right)\cdot 31 + \left(20 a + 6\right)\cdot 31^{2} + \left(5 a + 24\right)\cdot 31^{3} + \left(17 a + 10\right)\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 3 }$ | $=$ |
\( 10 a + 4 + \left(4 a + 6\right)\cdot 31 + \left(23 a + 29\right)\cdot 31^{2} + \left(8 a + 5\right)\cdot 31^{3} + \left(21 a + 23\right)\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 4 }$ | $=$ |
\( 21 a + 24 + \left(26 a + 4\right)\cdot 31 + \left(7 a + 9\right)\cdot 31^{2} + 22 a\cdot 31^{3} + \left(9 a + 26\right)\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 5 }$ | $=$ |
\( 22 + 13\cdot 31 + 11\cdot 31^{2} + 24\cdot 31^{3} + 13\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 6 }$ | $=$ |
\( 23 + 20\cdot 31 + 27\cdot 31^{2} + 22\cdot 31^{3} + 10\cdot 31^{4} +O(31^{5})\)
|
Generators of the action on the roots $r_1, \ldots, r_{ 6 }$
| Cycle notation |
Character values on conjugacy classes
| Size | Order | Action on $r_1, \ldots, r_{ 6 }$ | Character values |
| $c1$ | |||
| $1$ | $1$ | $()$ | $4$ |
| $6$ | $2$ | $(1,3)(2,4)(5,6)$ | $0$ |
| $6$ | $2$ | $(2,6)$ | $2$ |
| $9$ | $2$ | $(2,6)(4,5)$ | $0$ |
| $4$ | $3$ | $(1,2,6)(3,4,5)$ | $-2$ |
| $4$ | $3$ | $(1,2,6)$ | $1$ |
| $18$ | $4$ | $(1,3)(2,5,6,4)$ | $0$ |
| $12$ | $6$ | $(1,4,2,5,6,3)$ | $0$ |
| $12$ | $6$ | $(2,6)(3,4,5)$ | $-1$ |