Basic invariants
Galois action
Roots of defining polynomial
The roots of $f$ are computed in an extension of $\Q_{ 13 }$ to precision 7.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 13 }$: $ x^{3} + 2 x + 11 $
Roots:
| $r_{ 1 }$ |
$=$ |
$ 12 a^{2} + 11 a + \left(11 a^{2} + 3 a + 2\right)\cdot 13 + \left(a^{2} + 8 a + 12\right)\cdot 13^{2} + \left(10 a^{2} + 4 a + 10\right)\cdot 13^{3} + \left(6 a^{2} + 12 a + 2\right)\cdot 13^{4} + \left(5 a^{2} + 2 a + 5\right)\cdot 13^{5} + \left(a^{2} + 10 a + 1\right)\cdot 13^{6} +O\left(13^{ 7 }\right)$ |
| $r_{ 2 }$ |
$=$ |
$ 6 + 5\cdot 13 + 5\cdot 13^{2} + 8\cdot 13^{4} + 13^{5} + 8\cdot 13^{6} +O\left(13^{ 7 }\right)$ |
| $r_{ 3 }$ |
$=$ |
$ 9 a^{2} + a + \left(10 a^{2} + 6 a + 9\right)\cdot 13 + \left(10 a^{2} + 12 a + 11\right)\cdot 13^{2} + \left(3 a^{2} + 11\right)\cdot 13^{3} + \left(6 a^{2} + 4 a + 11\right)\cdot 13^{4} + \left(9 a^{2} + 2 a + 9\right)\cdot 13^{5} + \left(2 a^{2} + 11 a + 5\right)\cdot 13^{6} +O\left(13^{ 7 }\right)$ |
| $r_{ 4 }$ |
$=$ |
$ 3 a^{2} + 2 a + 1 + \left(8 a^{2} + 8 a + 10\right)\cdot 13 + \left(8 a^{2} + 3\right)\cdot 13^{2} + \left(5 a^{2} + 8 a + 9\right)\cdot 13^{3} + \left(6 a^{2} + 7 a + 6\right)\cdot 13^{4} + \left(7 a^{2} + 10 a + 3\right)\cdot 13^{5} + \left(9 a^{2} + 12\right)\cdot 13^{6} +O\left(13^{ 7 }\right)$ |
| $r_{ 5 }$ |
$=$ |
$ 6 a^{2} + a + 9 + \left(5 a^{2} + a + 10\right)\cdot 13 + \left(9 a^{2} + 9 a + 9\right)\cdot 13^{2} + \left(11 a^{2} + 9 a\right)\cdot 13^{3} + \left(11 a + 9\right)\cdot 13^{4} + \left(5 a^{2} + 12 a + 12\right)\cdot 13^{5} + \left(a^{2} + 7 a + 3\right)\cdot 13^{6} +O\left(13^{ 7 }\right)$ |
| $r_{ 6 }$ |
$=$ |
$ 11 a^{2} + 11 a + 7 + \left(9 a^{2} + 5 a + 3\right)\cdot 13 + \left(5 a^{2} + 4 a + 9\right)\cdot 13^{2} + \left(10 a^{2} + 2 a + 7\right)\cdot 13^{3} + \left(5 a^{2} + 10 a + 2\right)\cdot 13^{4} + \left(11 a^{2} + 10 a + 8\right)\cdot 13^{5} + \left(8 a^{2} + 6 a + 9\right)\cdot 13^{6} +O\left(13^{ 7 }\right)$ |
| $r_{ 7 }$ |
$=$ |
$ 11 a^{2} + 3 + \left(5 a^{2} + a + 11\right)\cdot 13 + \left(2 a^{2} + 4 a + 12\right)\cdot 13^{2} + \left(10 a^{2} + 10\right)\cdot 13^{3} + \left(12 a^{2} + 6 a + 10\right)\cdot 13^{4} + \left(12 a^{2} + 12 a + 10\right)\cdot 13^{5} + \left(a^{2} + a + 10\right)\cdot 13^{6} +O\left(13^{ 7 }\right)$ |
Generators of the action on the roots
$r_1, \ldots, r_{ 7 }$
| Cycle notation |
| $(1,7,6,3)(2,4)$ |
| $(1,2)(5,7)$ |
Character values on conjugacy classes
| Size | Order | Action on
$r_1, \ldots, r_{ 7 }$
| Character values |
| | |
$c1$ |
| $1$ |
$1$ |
$()$ |
$7$ |
| $21$ |
$2$ |
$(1,2)(5,7)$ |
$-1$ |
| $56$ |
$3$ |
$(1,2,6)(3,7,5)$ |
$1$ |
| $42$ |
$4$ |
$(1,7,6,3)(2,4)$ |
$-1$ |
| $24$ |
$7$ |
$(1,4,2,7,5,6,3)$ |
$0$ |
| $24$ |
$7$ |
$(1,7,3,2,6,4,5)$ |
$0$ |
The blue line marks the conjugacy class containing complex conjugation.
