Basic invariants
Dimension: | $2$ |
Group: | $D_{6}$ |
Conductor: | \(1216\)\(\medspace = 2^{6} \cdot 19 \) |
Frobenius-Schur indicator: | $1$ |
Root number: | $1$ |
Artin stem field: | Galois closure of 6.2.739328.3 |
Galois orbit size: | $1$ |
Smallest permutation container: | $D_{6}$ |
Parity: | odd |
Determinant: | 1.19.2t1.a.a |
Projective image: | $S_3$ |
Projective stem field: | Galois closure of 3.1.76.1 |
Defining polynomial
$f(x)$ | $=$ | \( x^{6} - 2x^{4} + 4x^{2} - 2 \) . |
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:
$r_{ 1 }$ | $=$ |
\( 23 a + 1 + 28\cdot 31 + \left(a + 11\right)\cdot 31^{2} + \left(10 a + 10\right)\cdot 31^{3} + \left(17 a + 24\right)\cdot 31^{4} +O(31^{5})\)
$r_{ 2 }$ |
$=$ |
\( 25 + 30\cdot 31 + 27\cdot 31^{2} + 21\cdot 31^{3} + 3\cdot 31^{4} +O(31^{5})\)
| $r_{ 3 }$ |
$=$ |
\( 8 a + 16 + \left(30 a + 6\right)\cdot 31 + \left(29 a + 13\right)\cdot 31^{2} + \left(20 a + 29\right)\cdot 31^{3} + \left(13 a + 17\right)\cdot 31^{4} +O(31^{5})\)
| $r_{ 4 }$ |
$=$ |
\( 8 a + 30 + \left(30 a + 2\right)\cdot 31 + \left(29 a + 19\right)\cdot 31^{2} + \left(20 a + 20\right)\cdot 31^{3} + \left(13 a + 6\right)\cdot 31^{4} +O(31^{5})\)
| $r_{ 5 }$ |
$=$ |
\( 6 + 3\cdot 31^{2} + 9\cdot 31^{3} + 27\cdot 31^{4} +O(31^{5})\)
| $r_{ 6 }$ |
$=$ |
\( 23 a + 15 + 24\cdot 31 + \left(a + 17\right)\cdot 31^{2} + \left(10 a + 1\right)\cdot 31^{3} + \left(17 a + 13\right)\cdot 31^{4} +O(31^{5})\)
| |
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 |
$1$ | $1$ | $()$ | $2$ |
$1$ | $2$ | $(1,4)(2,5)(3,6)$ | $-2$ |
$3$ | $2$ | $(1,2)(3,6)(4,5)$ | $0$ |
$3$ | $2$ | $(1,3)(4,6)$ | $0$ |
$2$ | $3$ | $(1,5,3)(2,6,4)$ | $-1$ |
$2$ | $6$ | $(1,6,5,4,3,2)$ | $1$ |
The blue line marks the conjugacy class containing complex conjugation.