Basic invariants
Galois action
Roots of defining polynomial
The roots of $f$ are computed in an extension of $\Q_{ 23 }$ to precision 7.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 23 }$: $ x^{2} + 21 x + 5 $
Roots:
| $r_{ 1 }$ |
$=$ |
$ 8 a + 5 + \left(15 a + 4\right)\cdot 23 + \left(22 a + 16\right)\cdot 23^{2} + \left(13 a + 18\right)\cdot 23^{3} + \left(16 a + 18\right)\cdot 23^{4} + \left(13 a + 11\right)\cdot 23^{5} + 11 a\cdot 23^{6} +O\left(23^{ 7 }\right)$ |
| $r_{ 2 }$ |
$=$ |
$ 3 a + 14 + \left(3 a + 22\right)\cdot 23 + \left(6 a + 3\right)\cdot 23^{2} + \left(19 a + 20\right)\cdot 23^{3} + \left(9 a + 19\right)\cdot 23^{4} + \left(16 a + 22\right)\cdot 23^{5} + \left(6 a + 11\right)\cdot 23^{6} +O\left(23^{ 7 }\right)$ |
| $r_{ 3 }$ |
$=$ |
$ 15 a + 21 + \left(7 a + 3\right)\cdot 23 + \left(9 a + 1\right)\cdot 23^{3} + \left(6 a + 15\right)\cdot 23^{4} + \left(9 a + 22\right)\cdot 23^{5} + \left(11 a + 9\right)\cdot 23^{6} +O\left(23^{ 7 }\right)$ |
| $r_{ 4 }$ |
$=$ |
$ 2 a + 6 + \left(9 a + 3\right)\cdot 23 + \left(2 a + 7\right)\cdot 23^{2} + \left(21 a + 4\right)\cdot 23^{3} + \left(5 a + 3\right)\cdot 23^{4} + \left(6 a + 3\right)\cdot 23^{5} + \left(9 a + 10\right)\cdot 23^{6} +O\left(23^{ 7 }\right)$ |
| $r_{ 5 }$ |
$=$ |
$ 20 a + 20 + \left(19 a + 2\right)\cdot 23 + \left(16 a + 13\right)\cdot 23^{2} + \left(3 a + 6\right)\cdot 23^{3} + \left(13 a + 20\right)\cdot 23^{4} + \left(6 a + 22\right)\cdot 23^{5} + \left(16 a + 8\right)\cdot 23^{6} +O\left(23^{ 7 }\right)$ |
| $r_{ 6 }$ |
$=$ |
$ 22 + 18\cdot 23 + 14\cdot 23^{2} + 20\cdot 23^{3} + 14\cdot 23^{4} + 15\cdot 23^{5} + 14\cdot 23^{6} +O\left(23^{ 7 }\right)$ |
| $r_{ 7 }$ |
$=$ |
$ 19 + 16\cdot 23 + 10\cdot 23^{2} + 22\cdot 23^{3} + 5\cdot 23^{4} + 6\cdot 23^{5} + 13\cdot 23^{6} +O\left(23^{ 7 }\right)$ |
| $r_{ 8 }$ |
$=$ |
$ 21 a + 10 + \left(13 a + 19\right)\cdot 23 + \left(20 a + 2\right)\cdot 23^{2} + \left(a + 21\right)\cdot 23^{3} + \left(17 a + 16\right)\cdot 23^{4} + \left(16 a + 9\right)\cdot 23^{5} + \left(13 a + 22\right)\cdot 23^{6} +O\left(23^{ 7 }\right)$ |
Generators of the action on the roots
$r_1, \ldots, r_{ 8 }$
| Cycle notation |
| $(1,4)(2,5)(3,8)(6,7)$ |
| $(1,4)(2,8)(3,5)$ |
| $(1,8,5)(2,4,3)$ |
| $(1,5,4,2)(3,7,8,6)$ |
| $(1,6,4,7)(2,3,5,8)$ |
Character values on conjugacy classes
| Size | Order | Action on
$r_1, \ldots, r_{ 8 }$
| Character values |
| | |
$c1$ |
| $1$ |
$1$ |
$()$ |
$4$ |
| $1$ |
$2$ |
$(1,4)(2,5)(3,8)(6,7)$ |
$-4$ |
| $12$ |
$2$ |
$(1,4)(2,8)(3,5)$ |
$0$ |
| $8$ |
$3$ |
$(2,8,6)(3,7,5)$ |
$1$ |
| $6$ |
$4$ |
$(1,5,4,2)(3,7,8,6)$ |
$0$ |
| $8$ |
$6$ |
$(1,3,5,4,8,2)(6,7)$ |
$-1$ |
| $6$ |
$8$ |
$(1,3,7,2,4,8,6,5)$ |
$0$ |
| $6$ |
$8$ |
$(1,8,7,5,4,3,6,2)$ |
$0$ |
The blue line marks the conjugacy class containing complex conjugation.
