Basic invariants
Dimension: | $4$ |
Group: | $C_3^2:C_4$ |
Conductor: | \(2850125\)\(\medspace = 5^{3} \cdot 151^{2} \) |
Frobenius-Schur indicator: | $1$ |
Root number: | $1$ |
Artin stem field: | Galois closure of 6.2.14250625.1 |
Galois orbit size: | $1$ |
Smallest permutation container: | $C_3^2:C_4$ |
Parity: | even |
Determinant: | 1.5.2t1.a.a |
Projective image: | $C_3^2:C_4$ |
Projective stem field: | Galois closure of 6.2.14250625.1 |
Defining polynomial
$f(x)$ | $=$ | \( x^{6} - x^{5} + 9x^{4} - 7x^{3} + 16x^{2} - 20x + 1 \) . |
The roots of $f$ are computed in an extension of $\Q_{ 19 }$ to precision 10.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 19 }$: \( x^{2} + 18x + 2 \)
Roots:
$r_{ 1 }$ | $=$ |
\( 2 a + \left(9 a + 12\right)\cdot 19 + \left(3 a + 15\right)\cdot 19^{2} + \left(3 a + 14\right)\cdot 19^{3} + \left(12 a + 6\right)\cdot 19^{4} + \left(4 a + 9\right)\cdot 19^{5} + \left(6 a + 17\right)\cdot 19^{6} + \left(10 a + 3\right)\cdot 19^{7} + \left(5 a + 3\right)\cdot 19^{8} + 13\cdot 19^{9} +O(19^{10})\)
$r_{ 2 }$ |
$=$ |
\( 17 a + 2 + 9 a\cdot 19 + \left(15 a + 10\right)\cdot 19^{2} + \left(15 a + 14\right)\cdot 19^{3} + \left(6 a + 15\right)\cdot 19^{4} + \left(14 a + 1\right)\cdot 19^{5} + 12 a\cdot 19^{6} + \left(8 a + 8\right)\cdot 19^{7} + \left(13 a + 17\right)\cdot 19^{8} + \left(18 a + 7\right)\cdot 19^{9} +O(19^{10})\)
| $r_{ 3 }$ |
$=$ |
\( 13 + 4\cdot 19 + 2\cdot 19^{2} + 13\cdot 19^{3} + 7\cdot 19^{4} + 13\cdot 19^{5} + 14\cdot 19^{6} + 13\cdot 19^{7} + 8\cdot 19^{8} + 12\cdot 19^{9} +O(19^{10})\)
| $r_{ 4 }$ |
$=$ |
\( 12 + 11\cdot 19 + 15\cdot 19^{2} + 2\cdot 19^{3} + 6\cdot 19^{5} + 15\cdot 19^{6} + 17\cdot 19^{7} + 6\cdot 19^{8} + 8\cdot 19^{9} +O(19^{10})\)
| $r_{ 5 }$ |
$=$ |
\( 12 a + \left(18 a + 11\right)\cdot 19 + \left(6 a + 12\right)\cdot 19^{2} + \left(14 a + 11\right)\cdot 19^{3} + \left(16 a + 2\right)\cdot 19^{4} + \left(8 a + 17\right)\cdot 19^{5} + \left(12 a + 2\right)\cdot 19^{6} + \left(3 a + 11\right)\cdot 19^{7} + \left(14 a + 14\right)\cdot 19^{8} + \left(18 a + 14\right)\cdot 19^{9} +O(19^{10})\)
| $r_{ 6 }$ |
$=$ |
\( 7 a + 12 + 17\cdot 19 + 12 a\cdot 19^{2} + 4 a\cdot 19^{3} + \left(2 a + 5\right)\cdot 19^{4} + \left(10 a + 9\right)\cdot 19^{5} + \left(6 a + 6\right)\cdot 19^{6} + \left(15 a + 2\right)\cdot 19^{7} + \left(4 a + 6\right)\cdot 19^{8} +O(19^{10})\)
| |
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 |
$1$ | $1$ | $()$ | $4$ |
$9$ | $2$ | $(1,2)(4,5)$ | $0$ |
$4$ | $3$ | $(1,2,3)$ | $1$ |
$4$ | $3$ | $(1,2,3)(4,5,6)$ | $-2$ |
$9$ | $4$ | $(1,4,2,5)(3,6)$ | $0$ |
$9$ | $4$ | $(1,5,2,4)(3,6)$ | $0$ |
The blue line marks the conjugacy class containing complex conjugation.