Basic invariants
| Dimension: | $2$ |
| Group: | $D_{6}$ |
| Conductor: | \(3120\)\(\medspace = 2^{4} \cdot 3 \cdot 5 \cdot 13 \) |
| Frobenius-Schur indicator: | $1$ |
| Root number: | $1$ |
| Artin number field: | Galois closure of 6.0.126547200.1 |
| Galois orbit size: | $1$ |
| Smallest permutation container: | $D_{6}$ |
| Parity: | odd |
| Projective image: | $S_3$ |
| Projective field: | Galois closure of 3.1.780.1 |
Galois action
Roots of defining polynomial
The roots of $f$ are computed in an extension of $\Q_{ 19 }$ to precision 8.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 19 }$:
\( x^{2} + 18x + 2 \)
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Roots:
| $r_{ 1 }$ | $=$ |
\( 18 a + 6 + \left(a + 16\right)\cdot 19 + \left(13 a + 14\right)\cdot 19^{2} + \left(14 a + 17\right)\cdot 19^{3} + \left(4 a + 6\right)\cdot 19^{4} + \left(9 a + 2\right)\cdot 19^{5} + 6 a\cdot 19^{6} + \left(6 a + 6\right)\cdot 19^{7} +O(19^{8})\)
|
| $r_{ 2 }$ | $=$ |
\( 8 + 2\cdot 19 + 16\cdot 19^{2} + 15\cdot 19^{4} + 9\cdot 19^{5} + 2\cdot 19^{6} + 7\cdot 19^{7} +O(19^{8})\)
|
| $r_{ 3 }$ | $=$ |
\( a + 5 + 17 a\cdot 19 + \left(5 a + 7\right)\cdot 19^{2} + 4 a\cdot 19^{3} + \left(14 a + 16\right)\cdot 19^{4} + \left(9 a + 6\right)\cdot 19^{5} + \left(12 a + 16\right)\cdot 19^{6} + \left(12 a + 5\right)\cdot 19^{7} +O(19^{8})\)
|
| $r_{ 4 }$ | $=$ |
\( a + 13 + \left(17 a + 2\right)\cdot 19 + \left(5 a + 4\right)\cdot 19^{2} + \left(4 a + 1\right)\cdot 19^{3} + \left(14 a + 12\right)\cdot 19^{4} + \left(9 a + 16\right)\cdot 19^{5} + \left(12 a + 18\right)\cdot 19^{6} + \left(12 a + 12\right)\cdot 19^{7} +O(19^{8})\)
|
| $r_{ 5 }$ | $=$ |
\( 11 + 16\cdot 19 + 2\cdot 19^{2} + 18\cdot 19^{3} + 3\cdot 19^{4} + 9\cdot 19^{5} + 16\cdot 19^{6} + 11\cdot 19^{7} +O(19^{8})\)
|
| $r_{ 6 }$ | $=$ |
\( 18 a + 14 + \left(a + 18\right)\cdot 19 + \left(13 a + 11\right)\cdot 19^{2} + \left(14 a + 18\right)\cdot 19^{3} + \left(4 a + 2\right)\cdot 19^{4} + \left(9 a + 12\right)\cdot 19^{5} + \left(6 a + 2\right)\cdot 19^{6} + \left(6 a + 13\right)\cdot 19^{7} +O(19^{8})\)
|
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 |
| $c1$ | |||
| $1$ | $1$ | $()$ | $2$ |
| $1$ | $2$ | $(1,4)(2,5)(3,6)$ | $-2$ |
| $3$ | $2$ | $(2,3)(5,6)$ | $0$ |
| $3$ | $2$ | $(1,4)(2,6)(3,5)$ | $0$ |
| $2$ | $3$ | $(1,2,3)(4,5,6)$ | $-1$ |
| $2$ | $6$ | $(1,5,3,4,2,6)$ | $1$ |