Basic invariants
| Dimension: | $4$ |
| Group: | $C_3^2:D_4$ |
| Conductor: | \(23616\)\(\medspace = 2^{6} \cdot 3^{2} \cdot 41 \) |
| Frobenius-Schur indicator: | $1$ |
| Root number: | $1$ |
| Artin stem field: | Galois closure of 6.2.188928.1 |
| Galois orbit size: | $1$ |
| Smallest permutation container: | $C_3^2:D_4$ |
| Parity: | even |
| Determinant: | 1.41.2t1.a.a |
| Projective image: | $\SOPlus(4,2)$ |
| Projective stem field: | Galois closure of 6.2.188928.1 |
Defining polynomial
| $f(x)$ | $=$ |
\( x^{6} - 2x^{5} + x^{4} + 2x^{3} - 4x^{2} + 4x - 1 \)
|
The roots of $f$ are computed in an extension of $\Q_{ 31 }$ to precision 5.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 31 }$:
\( x^{2} + 29x + 3 \)
Roots:
| $r_{ 1 }$ | $=$ |
\( 9 + 18\cdot 31 + 28\cdot 31^{2} + 20\cdot 31^{3} + 18\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 2 }$ | $=$ |
\( 19 + 9\cdot 31 + 5\cdot 31^{2} + 5\cdot 31^{3} + 30\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 3 }$ | $=$ |
\( a + 26 + \left(19 a + 18\right)\cdot 31 + \left(20 a + 5\right)\cdot 31^{2} + \left(12 a + 18\right)\cdot 31^{3} + \left(11 a + 16\right)\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 4 }$ | $=$ |
\( 7 a + 15 + \left(12 a + 17\right)\cdot 31 + \left(11 a + 7\right)\cdot 31^{2} + \left(a + 17\right)\cdot 31^{3} + \left(2 a + 14\right)\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 5 }$ | $=$ |
\( 30 a + 28 + \left(11 a + 24\right)\cdot 31 + \left(10 a + 27\right)\cdot 31^{2} + \left(18 a + 22\right)\cdot 31^{3} + \left(19 a + 26\right)\cdot 31^{4} +O(31^{5})\)
|
| $r_{ 6 }$ | $=$ |
\( 24 a + 29 + \left(18 a + 3\right)\cdot 31 + \left(19 a + 18\right)\cdot 31^{2} + \left(29 a + 8\right)\cdot 31^{3} + \left(28 a + 17\right)\cdot 31^{4} +O(31^{5})\)
|
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 value |
| $1$ | $1$ | $()$ | $4$ |
| $6$ | $2$ | $(1,2)(3,4)(5,6)$ | $0$ |
| $6$ | $2$ | $(3,5)$ | $2$ |
| $9$ | $2$ | $(3,5)(4,6)$ | $0$ |
| $4$ | $3$ | $(1,3,5)(2,4,6)$ | $-2$ |
| $4$ | $3$ | $(1,3,5)$ | $1$ |
| $18$ | $4$ | $(1,2)(3,6,5,4)$ | $0$ |
| $12$ | $6$ | $(1,4,3,6,5,2)$ | $0$ |
| $12$ | $6$ | $(2,4,6)(3,5)$ | $-1$ |
The blue line marks the conjugacy class containing complex conjugation.