Basic invariants
Galois action
Roots of defining polynomial
The roots of $f$ are computed in an extension of $\Q_{ 11 }$ to precision 6.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 11 }$: $ x^{3} + 2 x + 9 $
Roots:
| $r_{ 1 }$ |
$=$ |
$ 9 a^{2} + 10 a + 6 + \left(a^{2} + 8 a\right)\cdot 11 + \left(6 a^{2} + 10\right)\cdot 11^{2} + \left(8 a^{2} + 3 a + 8\right)\cdot 11^{3} + \left(9 a + 9\right)\cdot 11^{4} + \left(10 a + 9\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$ |
| $r_{ 2 }$ |
$=$ |
$ 4 + 7\cdot 11 + 9\cdot 11^{2} + 5\cdot 11^{3} + 11^{4} + 5\cdot 11^{5} +O\left(11^{ 6 }\right)$ |
| $r_{ 3 }$ |
$=$ |
$ 4 a + 9 + \left(7 a + 6\right)\cdot 11 + \left(4 a^{2} + 5 a + 7\right)\cdot 11^{2} + \left(2 a^{2} + 7 a + 3\right)\cdot 11^{3} + \left(10 a^{2} + 4\right)\cdot 11^{4} + \left(8 a + 4\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$ |
| $r_{ 4 }$ |
$=$ |
$ 4 a^{2} + 4 a + 7 + \left(8 a^{2} + 10\right)\cdot 11 + \left(10 a^{2} + 7 a + 1\right)\cdot 11^{2} + \left(2 a + 9\right)\cdot 11^{3} + \left(a^{2} + 4 a + 6\right)\cdot 11^{4} + \left(2 a^{2} + a + 9\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$ |
| $r_{ 5 }$ |
$=$ |
$ 3 a^{2} + 5 a + 9 + \left(4 a^{2} + a + 3\right)\cdot 11 + \left(10 a^{2} + 6 a + 8\right)\cdot 11^{2} + \left(3 a + 9\right)\cdot 11^{3} + \left(2 a^{2} + 5 a + 7\right)\cdot 11^{4} + \left(10 a^{2} + 6 a + 8\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$ |
| $r_{ 6 }$ |
$=$ |
$ 7 a^{2} + 3 a + \left(2 a^{2} + 3 a + 3\right)\cdot 11 + \left(7 a^{2} + 9 a + 8\right)\cdot 11^{2} + \left(7 a^{2} + 10\right)\cdot 11^{3} + \left(10 a^{2} + 6 a + 4\right)\cdot 11^{4} + \left(7 a^{2} + a + 6\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$ |
| $r_{ 7 }$ |
$=$ |
$ 10 a^{2} + 7 a + \left(4 a^{2} + 1\right)\cdot 11 + \left(5 a^{2} + 4 a + 9\right)\cdot 11^{2} + \left(a^{2} + 4 a + 6\right)\cdot 11^{3} + \left(8 a^{2} + 7 a + 8\right)\cdot 11^{4} + \left(4 a + 10\right)\cdot 11^{5} +O\left(11^{ 6 }\right)$ |
Generators of the action on the roots
$r_1, \ldots, r_{ 7 }$
| Cycle notation |
| $(1,5)(2,3)$ |
| $(1,4)(3,6,7,5)$ |
Character values on conjugacy classes
| Size | Order | Action on
$r_1, \ldots, r_{ 7 }$
| Character values |
| | |
$c1$ |
$c2$ |
| $1$ |
$1$ |
$()$ |
$3$ |
$3$ |
| $21$ |
$2$ |
$(3,7)(5,6)$ |
$-1$ |
$-1$ |
| $56$ |
$3$ |
$(2,6,5)(3,7,4)$ |
$0$ |
$0$ |
| $42$ |
$4$ |
$(1,4)(3,6,7,5)$ |
$1$ |
$1$ |
| $24$ |
$7$ |
$(1,4,5,2,3,6,7)$ |
$\zeta_{7}^{4} + \zeta_{7}^{2} + \zeta_{7}$ |
$-\zeta_{7}^{4} - \zeta_{7}^{2} - \zeta_{7} - 1$ |
| $24$ |
$7$ |
$(1,2,7,5,6,4,3)$ |
$-\zeta_{7}^{4} - \zeta_{7}^{2} - \zeta_{7} - 1$ |
$\zeta_{7}^{4} + \zeta_{7}^{2} + \zeta_{7}$ |
The blue line marks the conjugacy class containing complex conjugation.