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