Basic invariants
| Dimension: | $2$ |
| Group: | $D_{6}$ |
| Conductor: | \(1456\)\(\medspace = 2^{4} \cdot 7 \cdot 13 \) |
| Frobenius-Schur indicator: | $1$ |
| Root number: | $1$ |
| Artin stem field: | Galois closure of 6.0.2119936.1 |
| Galois orbit size: | $1$ |
| Smallest permutation container: | $D_{6}$ |
| Parity: | odd |
| Determinant: | 1.91.2t1.a.a |
| Projective image: | $S_3$ |
| Projective stem field: | Galois closure of 3.1.364.1 |
Defining polynomial
| $f(x)$ | $=$ |
\( x^{6} - 2x^{5} + 2x^{4} - 2x^{3} + 4x^{2} - 12x + 18 \)
|
The roots of $f$ are computed in an extension of $\Q_{ 17 }$ to precision 5.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 17 }$:
\( x^{2} + 16x + 3 \)
Roots:
| $r_{ 1 }$ | $=$ |
\( 3 a + 11 + \left(8 a + 8\right)\cdot 17 + \left(7 a + 16\right)\cdot 17^{2} + \left(9 a + 15\right)\cdot 17^{3} + \left(5 a + 8\right)\cdot 17^{4} +O(17^{5})\)
|
| $r_{ 2 }$ | $=$ |
\( 5 a + 5 + \left(12 a + 15\right)\cdot 17 + \left(8 a + 9\right)\cdot 17^{2} + \left(3 a + 5\right)\cdot 17^{3} + \left(11 a + 9\right)\cdot 17^{4} +O(17^{5})\)
|
| $r_{ 3 }$ | $=$ |
\( 14 a + 14 + \left(8 a + 13\right)\cdot 17 + \left(9 a + 15\right)\cdot 17^{2} + 7 a\cdot 17^{3} + \left(11 a + 5\right)\cdot 17^{4} +O(17^{5})\)
|
| $r_{ 4 }$ | $=$ |
\( 7 + 15\cdot 17 + 10\cdot 17^{2} + 16\cdot 17^{3} + 2\cdot 17^{4} +O(17^{5})\)
|
| $r_{ 5 }$ | $=$ |
\( 12 a + 10 + \left(4 a + 5\right)\cdot 17 + \left(8 a + 6\right)\cdot 17^{2} + 13 a\cdot 17^{3} + 5 a\cdot 17^{4} +O(17^{5})\)
|
| $r_{ 6 }$ | $=$ |
\( 6 + 9\cdot 17 + 8\cdot 17^{2} + 11\cdot 17^{3} + 7\cdot 17^{4} +O(17^{5})\)
|
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 |
| $1$ | $1$ | $()$ | $2$ |
| $1$ | $2$ | $(1,5)(2,3)(4,6)$ | $-2$ |
| $3$ | $2$ | $(1,2)(3,5)(4,6)$ | $0$ |
| $3$ | $2$ | $(1,6)(4,5)$ | $0$ |
| $2$ | $3$ | $(1,3,6)(2,4,5)$ | $-1$ |
| $2$ | $6$ | $(1,4,3,5,6,2)$ | $1$ |
The blue line marks the conjugacy class containing complex conjugation.