Basic invariants
Galois action
Roots of defining polynomial
The roots of $f$ are computed in an extension of $\Q_{ 17 }$ to precision 6.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 17 }$: $ x^{3} + x + 14 $
Roots:
| $r_{ 1 }$ |
$=$ |
$ 15 a^{2} + 16 a + 15 + \left(9 a^{2} + 15 a + 12\right)\cdot 17 + \left(a^{2} + 3 a + 5\right)\cdot 17^{2} + \left(3 a^{2} + 5 a + 1\right)\cdot 17^{3} + \left(10 a + 7\right)\cdot 17^{4} + \left(8 a^{2} + 9 a + 11\right)\cdot 17^{5} +O\left(17^{ 6 }\right)$ |
| $r_{ 2 }$ |
$=$ |
$ 5 a^{2} + 3 a + 15 + \left(12 a^{2} + 8 a\right)\cdot 17 + \left(13 a^{2} + 7 a + 10\right)\cdot 17^{2} + \left(4 a^{2} + 11 a + 8\right)\cdot 17^{3} + \left(13 a^{2} + 5 a + 9\right)\cdot 17^{4} + \left(4 a^{2} + a + 9\right)\cdot 17^{5} +O\left(17^{ 6 }\right)$ |
| $r_{ 3 }$ |
$=$ |
$ 13 a^{2} + 11 a + 9 + \left(7 a^{2} + a + 3\right)\cdot 17 + \left(12 a^{2} + 2 a + 9\right)\cdot 17^{2} + \left(9 a^{2} + 16 a\right)\cdot 17^{3} + \left(8 a^{2} + 6 a + 12\right)\cdot 17^{4} + \left(6 a^{2} + 8 a + 10\right)\cdot 17^{5} +O\left(17^{ 6 }\right)$ |
| $r_{ 4 }$ |
$=$ |
$ 3 a^{2} + 7 a + 7 + \left(10 a^{2} + 9 a + 7\right)\cdot 17 + \left(3 a^{2} + 1\right)\cdot 17^{2} + \left(5 a^{2} + 5 a + 14\right)\cdot 17^{3} + \left(12 a^{2} + 9 a + 3\right)\cdot 17^{4} + \left(3 a^{2} + 5 a + 14\right)\cdot 17^{5} +O\left(17^{ 6 }\right)$ |
| $r_{ 5 }$ |
$=$ |
$ 16 a^{2} + 3 a + 11 + \left(13 a^{2} + 7 a + 7\right)\cdot 17 + \left(7 a^{2} + 7 a\right)\cdot 17^{2} + \left(2 a^{2} + 6 a + 7\right)\cdot 17^{3} + \left(12 a^{2} + 4 a + 14\right)\cdot 17^{4} + \left(5 a^{2} + 7 a + 15\right)\cdot 17^{5} +O\left(17^{ 6 }\right)$ |
| $r_{ 6 }$ |
$=$ |
$ 16 a^{2} + 11 a + 10 + \left(13 a^{2} + 8 a + 15\right)\cdot 17 + \left(11 a^{2} + 12 a + 6\right)\cdot 17^{2} + \left(8 a^{2} + 6 a + 16\right)\cdot 17^{3} + \left(4 a^{2} + 14 a + 9\right)\cdot 17^{4} + \left(5 a^{2} + a + 9\right)\cdot 17^{5} +O\left(17^{ 6 }\right)$ |
| $r_{ 7 }$ |
$=$ |
$ 2 + 3\cdot 17 + 3\cdot 17^{3} + 11\cdot 17^{4} + 13\cdot 17^{5} +O\left(17^{ 6 }\right)$ |
Generators of the action on the roots
$r_1, \ldots, r_{ 7 }$
| Cycle notation |
| $(1,4)(3,5)$ |
| $(1,2)(4,5,7,6)$ |
Character values on conjugacy classes
| Size | Order | Action on
$r_1, \ldots, r_{ 7 }$
| Character value |
| $1$ | $1$ | $()$ | $8$ |
| $21$ | $2$ | $(1,4)(3,5)$ | $0$ |
| $56$ | $3$ | $(1,7,4)(3,6,5)$ | $-1$ |
| $42$ | $4$ | $(1,2)(4,5,7,6)$ | $0$ |
| $24$ | $7$ | $(1,5,3,7,6,4,2)$ | $1$ |
| $24$ | $7$ | $(1,7,2,3,4,5,6)$ | $1$ |
The blue line marks the conjugacy class containing complex conjugation.
