Basic invariants
| Dimension: | $4$ |
| Group: | $C_3^2:D_4$ |
| Conductor: | \(1865461525\)\(\medspace = 5^{2} \cdot 421^{3} \) |
| Frobenius-Schur indicator: | $1$ |
| Root number: | $1$ |
| Artin number field: | Galois closure of 6.2.373092305.1 |
| Galois orbit size: | $1$ |
| Smallest permutation container: | 12T34 |
| Parity: | even |
| Projective image: | $\SOPlus(4,2)$ |
| Projective field: | Galois closure of 6.2.373092305.1 |
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:
| $r_{ 1 }$ | $=$ |
\( 7 a + 5 + \left(25 a + 5\right)\cdot 31 + \left(5 a + 6\right)\cdot 31^{2} + \left(16 a + 8\right)\cdot 31^{3} + \left(27 a + 24\right)\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 2 }$ | $=$ |
\( 24 a + 19 + \left(5 a + 17\right)\cdot 31 + \left(25 a + 23\right)\cdot 31^{2} + \left(14 a + 3\right)\cdot 31^{3} + \left(3 a + 1\right)\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 3 }$ | $=$ |
\( 8 + 8\cdot 31 + 31^{2} + 19\cdot 31^{3} + 5\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 4 }$ | $=$ |
\( 16 a + 13 + \left(15 a + 28\right)\cdot 31 + \left(18 a + 15\right)\cdot 31^{2} + \left(15 a + 6\right)\cdot 31^{3} + \left(28 a + 13\right)\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 5 }$ | $=$ |
\( 5 + 21\cdot 31 + 8\cdot 31^{2} + 5\cdot 31^{3} + 25\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 6 }$ | $=$ |
\( 15 a + 14 + \left(15 a + 12\right)\cdot 31 + \left(12 a + 6\right)\cdot 31^{2} + \left(15 a + 19\right)\cdot 31^{3} + \left(2 a + 23\right)\cdot 31^{4} +O(31^{5})\)
|
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 |
| $c1$ | |||
| $1$ | $1$ | $()$ | $4$ |
| $6$ | $2$ | $(1,4)(2,5)(3,6)$ | $-2$ |
| $6$ | $2$ | $(1,2)$ | $0$ |
| $9$ | $2$ | $(1,2)(4,5)$ | $0$ |
| $4$ | $3$ | $(1,2,3)(4,5,6)$ | $1$ |
| $4$ | $3$ | $(1,2,3)$ | $-2$ |
| $18$ | $4$ | $(1,5,2,4)(3,6)$ | $0$ |
| $12$ | $6$ | $(1,5,2,6,3,4)$ | $1$ |
| $12$ | $6$ | $(1,2)(4,5,6)$ | $0$ |