Basic invariants
Galois action
Roots of defining polynomial
The roots of $f$ are computed in an extension of $\Q_{ 17 }$ to precision 7.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 17 }$: $ x^{3} + x + 14 $
Roots:
| $r_{ 1 }$ |
$=$ |
$ 8 a^{2} + 11 a + 13 + \left(12 a^{2} + 3 a + 3\right)\cdot 17 + \left(15 a^{2} + 5 a + 2\right)\cdot 17^{2} + \left(15 a^{2} + 4 a + 4\right)\cdot 17^{3} + \left(4 a^{2} + 8\right)\cdot 17^{4} + \left(7 a^{2} + 15 a + 9\right)\cdot 17^{5} + \left(5 a^{2} + 14 a + 14\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 2 }$ |
$=$ |
$ 11 a^{2} + 4 a + 15 + \left(11 a^{2} + 14 a + 8\right)\cdot 17 + \left(5 a^{2} + 7 a + 12\right)\cdot 17^{2} + \left(11 a^{2} + 16 a + 6\right)\cdot 17^{3} + \left(5 a + 5\right)\cdot 17^{4} + \left(11 a^{2} + 11 a + 6\right)\cdot 17^{5} + \left(5 a^{2} + 13 a + 3\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 3 }$ |
$=$ |
$ 8 a^{2} + 11 a + \left(12 a^{2} + 3 a + 13\right)\cdot 17 + \left(15 a^{2} + 5 a + 15\right)\cdot 17^{2} + \left(15 a^{2} + 4 a + 14\right)\cdot 17^{3} + \left(4 a^{2} + 6\right)\cdot 17^{4} + \left(7 a^{2} + 15 a + 13\right)\cdot 17^{5} + \left(5 a^{2} + 14 a + 11\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 4 }$ |
$=$ |
$ 15 a^{2} + 2 a + 2 + \left(9 a^{2} + 16 a + 12\right)\cdot 17 + \left(12 a^{2} + 3 a + 5\right)\cdot 17^{2} + \left(6 a^{2} + 13 a + 12\right)\cdot 17^{3} + \left(11 a^{2} + 10 a + 4\right)\cdot 17^{4} + \left(15 a^{2} + 7 a + 14\right)\cdot 17^{5} + \left(5 a^{2} + 5 a + 1\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 5 }$ |
$=$ |
$ 8 a^{2} + 11 a + 3 + \left(12 a^{2} + 3 a + 8\right)\cdot 17 + \left(15 a^{2} + 5 a + 13\right)\cdot 17^{2} + \left(15 a^{2} + 4 a + 12\right)\cdot 17^{3} + \left(4 a^{2} + 11\right)\cdot 17^{4} + \left(7 a^{2} + 15 a + 8\right)\cdot 17^{5} + \left(5 a^{2} + 14 a + 1\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 6 }$ |
$=$ |
$ 15 a^{2} + 2 a + 12 + \left(9 a^{2} + 16 a + 7\right)\cdot 17 + \left(12 a^{2} + 3 a + 11\right)\cdot 17^{2} + \left(6 a^{2} + 13 a + 3\right)\cdot 17^{3} + \left(11 a^{2} + 10 a + 1\right)\cdot 17^{4} + \left(15 a^{2} + 7 a + 15\right)\cdot 17^{5} + \left(5 a^{2} + 5 a + 14\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 7 }$ |
$=$ |
$ 11 a^{2} + 4 a + 2 + \left(11 a^{2} + 14 a + 1\right)\cdot 17 + \left(5 a^{2} + 7 a + 9\right)\cdot 17^{2} + \left(11 a^{2} + 16 a\right)\cdot 17^{3} + \left(5 a + 4\right)\cdot 17^{4} + \left(11 a^{2} + 11 a + 10\right)\cdot 17^{5} + \left(5 a^{2} + 13 a\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 8 }$ |
$=$ |
$ 15 a^{2} + 2 a + 16 + \left(9 a^{2} + 16 a + 16\right)\cdot 17 + \left(12 a^{2} + 3 a + 7\right)\cdot 17^{2} + \left(6 a^{2} + 13 a + 14\right)\cdot 17^{3} + \left(11 a^{2} + 10 a + 16\right)\cdot 17^{4} + \left(15 a^{2} + 7 a + 1\right)\cdot 17^{5} + \left(5 a^{2} + 5 a + 12\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 9 }$ |
$=$ |
$ 11 a^{2} + 4 a + 5 + \left(11 a^{2} + 14 a + 13\right)\cdot 17 + \left(5 a^{2} + 7 a + 6\right)\cdot 17^{2} + \left(11 a^{2} + 16 a + 15\right)\cdot 17^{3} + \left(5 a + 8\right)\cdot 17^{4} + \left(11 a^{2} + 11 a + 5\right)\cdot 17^{5} + \left(5 a^{2} + 13 a + 7\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
Generators of the action on the roots
$r_1, \ldots, r_{ 9 }$
| Cycle notation |
| $(1,6)(3,8)(4,5)$ |
| $(1,5,3)(2,9,7)(4,8,6)$ |
| $(2,6)(4,9)(7,8)$ |
Character values on conjugacy classes
| Size | Order | Action on
$r_1, \ldots, r_{ 9 }$
| Character values |
| | |
$c1$ |
$c2$ |
| $1$ |
$1$ |
$()$ |
$2$ |
$2$ |
| $3$ |
$2$ |
$(1,6)(3,8)(4,5)$ |
$0$ |
$0$ |
| $1$ |
$3$ |
$(1,5,3)(2,9,7)(4,8,6)$ |
$2 \zeta_{3}$ |
$-2 \zeta_{3} - 2$ |
| $1$ |
$3$ |
$(1,3,5)(2,7,9)(4,6,8)$ |
$-2 \zeta_{3} - 2$ |
$2 \zeta_{3}$ |
| $2$ |
$3$ |
$(1,2,6)(3,7,8)(4,5,9)$ |
$-1$ |
$-1$ |
| $2$ |
$3$ |
$(1,9,8)(2,4,3)(5,7,6)$ |
$-\zeta_{3}$ |
$\zeta_{3} + 1$ |
| $2$ |
$3$ |
$(1,8,9)(2,3,4)(5,6,7)$ |
$\zeta_{3} + 1$ |
$-\zeta_{3}$ |
| $3$ |
$6$ |
$(1,4,3,6,5,8)(2,9,7)$ |
$0$ |
$0$ |
| $3$ |
$6$ |
$(1,8,5,6,3,4)(2,7,9)$ |
$0$ |
$0$ |
The blue line marks the conjugacy class containing complex conjugation.