Basic invariants
| Dimension: | $2$ |
| Group: | $D_{6}$ |
| Conductor: | \(9072\)\(\medspace = 2^{4} \cdot 3^{4} \cdot 7 \) |
| Frobenius-Schur indicator: | $1$ |
| Root number: | $1$ |
| Artin stem field: | Galois closure of 6.2.144027072.2 |
| Galois orbit size: | $1$ |
| Smallest permutation container: | $D_{6}$ |
| Parity: | odd |
| Determinant: | 1.7.2t1.a.a |
| Projective image: | $S_3$ |
| Projective stem field: | Galois closure of 3.1.567.1 |
Defining polynomial
| $f(x)$ | $=$ |
\( x^{6} - 6x^{4} + 9x^{2} - 7 \)
|
The roots of $f$ are computed in an extension of $\Q_{ 19 }$ to precision 7.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 19 }$:
\( x^{2} + 18x + 2 \)
Roots:
| $r_{ 1 }$ | $=$ |
\( 7 a + 9 + \left(13 a + 16\right)\cdot 19 + \left(a + 7\right)\cdot 19^{2} + \left(9 a + 12\right)\cdot 19^{3} + \left(5 a + 9\right)\cdot 19^{4} + \left(9 a + 15\right)\cdot 19^{5} + \left(9 a + 10\right)\cdot 19^{6} +O(19^{7})\)
|
| $r_{ 2 }$ | $=$ |
\( 13 + 17\cdot 19 + 14\cdot 19^{2} + 5\cdot 19^{3} + 3\cdot 19^{4} + 3\cdot 19^{5} + 16\cdot 19^{6} +O(19^{7})\)
|
| $r_{ 3 }$ | $=$ |
\( 12 a + 16 + \left(5 a + 3\right)\cdot 19 + \left(17 a + 15\right)\cdot 19^{2} + 9 a\cdot 19^{3} + \left(13 a + 6\right)\cdot 19^{4} + 9 a\cdot 19^{5} + \left(9 a + 11\right)\cdot 19^{6} +O(19^{7})\)
|
| $r_{ 4 }$ | $=$ |
\( 12 a + 10 + \left(5 a + 2\right)\cdot 19 + \left(17 a + 11\right)\cdot 19^{2} + \left(9 a + 6\right)\cdot 19^{3} + \left(13 a + 9\right)\cdot 19^{4} + \left(9 a + 3\right)\cdot 19^{5} + \left(9 a + 8\right)\cdot 19^{6} +O(19^{7})\)
|
| $r_{ 5 }$ | $=$ |
\( 6 + 19 + 4\cdot 19^{2} + 13\cdot 19^{3} + 15\cdot 19^{4} + 15\cdot 19^{5} + 2\cdot 19^{6} +O(19^{7})\)
|
| $r_{ 6 }$ | $=$ |
\( 7 a + 3 + \left(13 a + 15\right)\cdot 19 + \left(a + 3\right)\cdot 19^{2} + \left(9 a + 18\right)\cdot 19^{3} + \left(5 a + 12\right)\cdot 19^{4} + \left(9 a + 18\right)\cdot 19^{5} + \left(9 a + 7\right)\cdot 19^{6} +O(19^{7})\)
|
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 |
| $1$ | $1$ | $()$ | $2$ |
| $1$ | $2$ | $(1,4)(2,5)(3,6)$ | $-2$ |
| $3$ | $2$ | $(1,2)(4,5)$ | $0$ |
| $3$ | $2$ | $(1,5)(2,4)(3,6)$ | $0$ |
| $2$ | $3$ | $(1,3,2)(4,6,5)$ | $-1$ |
| $2$ | $6$ | $(1,6,2,4,3,5)$ | $1$ |
The blue line marks the conjugacy class containing complex conjugation.