Basic invariants
Galois action
Roots of defining polynomial
The roots of $f$ are computed in an extension of $\Q_{ 17 }$ to precision 5.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 17 }$: $ x^{2} + 16 x + 3 $
Roots:
| $r_{ 1 }$ |
$=$ |
$ 6 a + 10 + \left(3 a + 7\right)\cdot 17 + \left(13 a + 4\right)\cdot 17^{2} + \left(2 a + 8\right)\cdot 17^{3} + \left(7 a + 16\right)\cdot 17^{4} +O\left(17^{ 5 }\right)$ |
| $r_{ 2 }$ |
$=$ |
$ 10 a + 5 + \left(a + 9\right)\cdot 17 + \left(6 a + 14\right)\cdot 17^{2} + \left(14 a + 1\right)\cdot 17^{3} + \left(2 a + 7\right)\cdot 17^{4} +O\left(17^{ 5 }\right)$ |
| $r_{ 3 }$ |
$=$ |
$ 11 a + \left(9 a + 14\right)\cdot 17 + \left(7 a + 14\right)\cdot 17^{2} + \left(3 a + 8\right)\cdot 17^{3} + \left(9 a + 7\right)\cdot 17^{4} +O\left(17^{ 5 }\right)$ |
| $r_{ 4 }$ |
$=$ |
$ 6 a + 11 + \left(7 a + 12\right)\cdot 17 + \left(9 a + 12\right)\cdot 17^{2} + \left(13 a + 4\right)\cdot 17^{3} + \left(7 a + 13\right)\cdot 17^{4} +O\left(17^{ 5 }\right)$ |
| $r_{ 5 }$ |
$=$ |
$ 7 a + 15 + 15 a\cdot 17 + \left(10 a + 2\right)\cdot 17^{2} + \left(2 a + 10\right)\cdot 17^{3} + \left(14 a + 12\right)\cdot 17^{4} +O\left(17^{ 5 }\right)$ |
| $r_{ 6 }$ |
$=$ |
$ 12 + 17 + 5\cdot 17^{2} + 2\cdot 17^{3} + 7\cdot 17^{4} +O\left(17^{ 5 }\right)$ |
| $r_{ 7 }$ |
$=$ |
$ 11 a + 16 + \left(13 a + 4\right)\cdot 17 + \left(3 a + 14\right)\cdot 17^{2} + \left(14 a + 14\right)\cdot 17^{3} + \left(9 a + 3\right)\cdot 17^{4} +O\left(17^{ 5 }\right)$ |
Generators of the action on the roots
$r_1, \ldots, r_{ 7 }$
| Cycle notation |
| $(1,2,3,4,5,6,7)$ |
| $(1,2)$ |
Character values on conjugacy classes
| Size | Order | Action on
$r_1, \ldots, r_{ 7 }$
| Character values |
| | |
$c1$ |
| $1$ |
$1$ |
$()$ |
$14$ |
| $21$ |
$2$ |
$(1,2)$ |
$-6$ |
| $105$ |
$2$ |
$(1,2)(3,4)(5,6)$ |
$-2$ |
| $105$ |
$2$ |
$(1,2)(3,4)$ |
$2$ |
| $70$ |
$3$ |
$(1,2,3)$ |
$2$ |
| $280$ |
$3$ |
$(1,2,3)(4,5,6)$ |
$-1$ |
| $210$ |
$4$ |
$(1,2,3,4)$ |
$0$ |
| $630$ |
$4$ |
$(1,2,3,4)(5,6)$ |
$0$ |
| $504$ |
$5$ |
$(1,2,3,4,5)$ |
$-1$ |
| $210$ |
$6$ |
$(1,2,3)(4,5)(6,7)$ |
$2$ |
| $420$ |
$6$ |
$(1,2,3)(4,5)$ |
$0$ |
| $840$ |
$6$ |
$(1,2,3,4,5,6)$ |
$1$ |
| $720$ |
$7$ |
$(1,2,3,4,5,6,7)$ |
$0$ |
| $504$ |
$10$ |
$(1,2,3,4,5)(6,7)$ |
$-1$ |
| $420$ |
$12$ |
$(1,2,3,4)(5,6,7)$ |
$0$ |
The blue line marks the conjugacy class containing complex conjugation.
