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} + 16 a + 11 + \left(8 a^{2} + 10 a + 5\right)\cdot 17 + \left(8 a^{2} + 10 a + 11\right)\cdot 17^{2} + \left(2 a^{2} + 9 a + 1\right)\cdot 17^{3} + \left(12 a^{2} + 13 a + 8\right)\cdot 17^{4} + \left(7 a^{2} + a + 16\right)\cdot 17^{5} + \left(5 a^{2} + 7 a + 14\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 2 }$ |
$=$ |
$ 4 a^{2} + a + 14 + \left(16 a^{2} + 13 a + 10\right)\cdot 17 + 14 a\cdot 17^{2} + \left(16 a^{2} + 8 a + 5\right)\cdot 17^{3} + \left(16 a^{2} + 15 a + 11\right)\cdot 17^{4} + \left(10 a^{2} + 3 a + 1\right)\cdot 17^{5} + \left(16 a^{2} + 2 a + 11\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 3 }$ |
$=$ |
$ 12 a^{2} + 3 a + 8 + \left(11 a^{2} + 13\right)\cdot 17 + \left(15 a^{2} + 11 a + 4\right)\cdot 17^{2} + \left(2 a^{2} + 9 a + 13\right)\cdot 17^{3} + \left(7 a^{2} + 2 a + 4\right)\cdot 17^{4} + \left(9 a^{2} + 15 a + 6\right)\cdot 17^{5} + \left(16 a^{2} + 4 a + 5\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 4 }$ |
$=$ |
$ 15 a^{2} + 3 a + 10 + \left(13 a^{2} + 3 a + 3\right)\cdot 17 + \left(5 a^{2} + 10 a + 15\right)\cdot 17^{2} + \left(13 a^{2} + 13 a + 8\right)\cdot 17^{3} + \left(4 a^{2} + a + 14\right)\cdot 17^{4} + \left(5 a^{2} + a + 14\right)\cdot 17^{5} + \left(5 a^{2} + 12 a + 14\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 5 }$ |
$=$ |
$ a^{2} + 13 a + 12 + \left(6 a^{2} + 3 a + 9\right)\cdot 17 + \left(8 a + 11\right)\cdot 17^{2} + \left(15 a^{2} + 15 a + 15\right)\cdot 17^{3} + \left(9 a^{2} + 15 a\right)\cdot 17^{4} + \left(13 a^{2} + 14 a + 9\right)\cdot 17^{5} + 9 a\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 6 }$ |
$=$ |
$ 11 a^{2} + 9 a + 13 + \left(11 a + 11\right)\cdot 17 + \left(3 a^{2} + 8 a + 7\right)\cdot 17^{2} + \left(4 a^{2} + 11 a + 8\right)\cdot 17^{3} + \left(10 a + 11\right)\cdot 17^{4} + \left(16 a^{2} + 15 a + 10\right)\cdot 17^{5} + 4 a\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 7 }$ |
$=$ |
$ 8 a^{2} + 5 a + 11 + \left(2 a^{2} + 2 a + 1\right)\cdot 17 + \left(8 a^{2} + 15 a + 11\right)\cdot 17^{2} + \left(16 a^{2} + 8 a + 16\right)\cdot 17^{3} + \left(11 a^{2} + 4 a + 7\right)\cdot 17^{4} + \left(12 a^{2} + 8\right)\cdot 17^{5} + \left(10 a^{2} + 1\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 8 }$ |
$=$ |
$ 15 a^{2} + 13 a + 10 + \left(3 a^{2} + 2\right)\cdot 17 + \left(10 a^{2} + 9 a + 1\right)\cdot 17^{2} + \left(4 a^{2} + 11 a + 3\right)\cdot 17^{3} + \left(12 a^{2} + 16 a + 8\right)\cdot 17^{4} + 11 a\cdot 17^{5} + \left(12 a^{2} + 2 a + 8\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
| $r_{ 9 }$ |
$=$ |
$ 11 a^{2} + 5 a + 13 + \left(4 a^{2} + 5 a + 8\right)\cdot 17 + \left(15 a^{2} + 14 a + 4\right)\cdot 17^{2} + \left(9 a^{2} + 12 a + 12\right)\cdot 17^{3} + \left(9 a^{2} + 3 a\right)\cdot 17^{4} + \left(8 a^{2} + 3 a\right)\cdot 17^{5} + \left(16 a^{2} + 7 a + 11\right)\cdot 17^{6} +O\left(17^{ 7 }\right)$ |
Generators of the action on the roots
$r_1, \ldots, r_{ 9 }$
| Cycle notation |
| $(1,3,8,5,9,2)(4,7,6)$ |
| $(1,7)(4,8)(6,9)$ |
| $(2,4)(3,6)(5,7)$ |
Character values on conjugacy classes
| Size | Order | Action on
$r_1, \ldots, r_{ 9 }$
| Character values |
| | |
$c1$ |
$c2$ |
| $1$ |
$1$ |
$()$ |
$2$ |
$2$ |
| $3$ |
$2$ |
$(1,5)(2,8)(3,9)$ |
$0$ |
$0$ |
| $1$ |
$3$ |
$(1,8,9)(2,3,5)(4,6,7)$ |
$2 \zeta_{3}$ |
$-2 \zeta_{3} - 2$ |
| $1$ |
$3$ |
$(1,9,8)(2,5,3)(4,7,6)$ |
$-2 \zeta_{3} - 2$ |
$2 \zeta_{3}$ |
| $2$ |
$3$ |
$(1,6,2)(3,8,7)(4,5,9)$ |
$\zeta_{3} + 1$ |
$-\zeta_{3}$ |
| $2$ |
$3$ |
$(1,2,6)(3,7,8)(4,9,5)$ |
$-\zeta_{3}$ |
$\zeta_{3} + 1$ |
| $2$ |
$3$ |
$(1,5,7)(2,4,8)(3,6,9)$ |
$-1$ |
$-1$ |
| $3$ |
$6$ |
$(1,3,8,5,9,2)(4,7,6)$ |
$0$ |
$0$ |
| $3$ |
$6$ |
$(1,2,9,5,8,3)(4,6,7)$ |
$0$ |
$0$ |
The blue line marks the conjugacy class containing complex conjugation.
