Basic invariants
Dimension: | $1$ |
Group: | $C_7$ |
Conductor: | \(421\) |
Artin field: | Galois closure of 7.7.5567914722008521.1 |
Galois orbit size: | $6$ |
Smallest permutation container: | $C_7$ |
Parity: | even |
Dirichlet character: | \(\chi_{421}(247,\cdot)\) |
Projective image: | $C_1$ |
Projective field: | Galois closure of \(\Q\) |
Defining polynomial
$f(x)$ | $=$ | \( x^{7} - x^{6} - 180x^{5} + 103x^{4} + 6180x^{3} - 11596x^{2} - 25209x + 49213 \) . |
The roots of $f$ are computed in an extension of $\Q_{ 11 }$ to precision 8.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 11 }$: \( x^{7} + 4x + 9 \)
Roots:
$r_{ 1 }$ | $=$ | \( 3 a^{6} + 9 a^{5} + 10 a^{4} + 8 a^{3} + 2 a^{2} + 6 a + 1 + \left(7 a^{6} + 8 a^{5} + 8 a^{4} + 7 a^{3} + 3 a^{2} + 5 a + 6\right)\cdot 11 + \left(a^{6} + 7 a^{4} + 6 a^{3} + 8 a^{2} + 3 a + 2\right)\cdot 11^{2} + \left(10 a^{6} + 5 a^{5} + a^{4} + 10 a^{3} + 2 a^{2} + 8 a\right)\cdot 11^{3} + \left(a^{6} + 6 a^{5} + 2 a^{4} + 7 a^{3} + 2 a^{2} + 3 a + 5\right)\cdot 11^{4} + \left(10 a^{6} + 2 a^{5} + 10 a^{3} + 5 a^{2} + 4 a + 3\right)\cdot 11^{5} + \left(4 a^{6} + a^{5} + 6 a^{4} + a^{3} + 8 a + 4\right)\cdot 11^{6} + \left(2 a^{6} + 6 a^{4} + a^{3} + 5 a^{2} + 8\right)\cdot 11^{7} +O(11^{8})\) |
$r_{ 2 }$ | $=$ | \( 5 a^{6} + 2 a^{5} + 2 a^{4} + 2 a^{3} + 6 a^{2} + 8 a + \left(9 a^{6} + a^{5} + 7 a^{4} + 9 a^{3} + 4 a^{2} + 1\right)\cdot 11 + \left(8 a^{6} + 5 a^{5} + 6 a^{4} + 5 a^{3} + 7 a + 2\right)\cdot 11^{2} + \left(3 a^{6} + 2 a^{5} + 3 a^{2} + 4 a + 5\right)\cdot 11^{3} + \left(8 a^{6} + 2 a^{5} + 4 a^{4} + 7 a^{3} + 9 a + 3\right)\cdot 11^{4} + \left(4 a^{5} + 9 a^{4} + 7 a^{3} + 10 a^{2} + 5 a + 7\right)\cdot 11^{5} + \left(10 a^{6} + 5 a^{5} + a^{4} + a^{3} + 2 a^{2} + 6 a + 4\right)\cdot 11^{6} + \left(7 a^{6} + 8 a^{5} + 10 a^{4} + 10 a^{3} + 4 a^{2} + 2 a\right)\cdot 11^{7} +O(11^{8})\) |
$r_{ 3 }$ | $=$ | \( 5 a^{6} + 3 a^{5} + 2 a^{4} + 9 a^{3} + 2 a^{2} + 9 a + \left(10 a^{6} + 9 a^{5} + 8 a^{4} + 2 a^{3} + 6 a^{2} + 4 a + 6\right)\cdot 11 + \left(9 a^{6} + 5 a^{5} + 9 a^{4} + a^{3} + 10 a^{2} + 6 a + 10\right)\cdot 11^{2} + \left(9 a^{6} + 9 a^{5} + a^{4} + 3 a^{3} + 5 a^{2} + 2 a\right)\cdot 11^{3} + \left(7 a^{6} + 7 a^{5} + 8 a^{4} + 6 a^{3} + 8 a^{2} + 3 a + 5\right)\cdot 11^{4} + \left(4 a^{6} + 3 a^{5} + 2 a^{4} + 5 a^{3} + a^{2} + 10 a\right)\cdot 11^{5} + \left(4 a^{6} + 3 a^{5} + 5 a^{4} + 9 a^{3} + 5 a^{2} + 9 a + 1\right)\cdot 11^{6} + \left(2 a^{6} + 8 a^{5} + 6 a^{4} + 5 a^{3} + 3 a^{2} + a + 5\right)\cdot 11^{7} +O(11^{8})\) |
$r_{ 4 }$ | $=$ | \( 5 a^{6} + 3 a^{5} + 6 a^{4} + 9 a^{3} + 3 a^{2} + 4 a + \left(5 a^{6} + 2 a^{5} + 10 a^{4} + 6 a^{3} + 5 a^{2} + 3 a + 3\right)\cdot 11 + \left(5 a^{5} + 6 a^{4} + a^{3} + 10 a^{2} + 6 a + 3\right)\cdot 11^{2} + \left(4 a^{6} + 3 a^{5} + 6 a^{4} + 10 a^{2} + 4 a + 1\right)\cdot 11^{3} + \left(6 a^{6} + 7 a^{5} + 8 a^{4} + 3 a^{3} + 2 a^{2} + 2 a + 6\right)\cdot 11^{4} + \left(9 a^{6} + 5 a^{4} + 9 a^{3} + 4 a^{2} + 8 a + 4\right)\cdot 11^{5} + \left(a^{6} + 7 a^{5} + 9 a^{4} + 4 a^{3} + 10 a^{2} + 10 a + 6\right)\cdot 11^{6} + \left(a^{6} + 3 a^{3} + 6 a^{2} + 10 a + 5\right)\cdot 11^{7} +O(11^{8})\) |
$r_{ 5 }$ | $=$ | \( 7 a^{6} + 8 a^{5} + 4 a^{4} + 9 a^{3} + 10 a + 10 + \left(7 a^{6} + 2 a^{5} + 10 a^{3} + 2 a^{2} + 9 a + 8\right)\cdot 11 + \left(9 a^{5} + 8 a^{3} + 10 a^{2} + 2 a\right)\cdot 11^{2} + \left(6 a^{6} + 8 a^{5} + 6 a^{4} + 4 a^{3} + 5 a^{2} + 2 a + 5\right)\cdot 11^{3} + \left(6 a^{6} + 8 a^{5} + 9 a^{4} + 4 a^{3} + 9 a^{2} + 6 a\right)\cdot 11^{4} + \left(8 a^{6} + 7 a^{5} + 4 a^{4} + 4 a^{3} + 9 a^{2} + 5 a + 9\right)\cdot 11^{5} + \left(4 a^{6} + 2 a^{4} + 3 a^{3} + 4 a^{2} + a + 3\right)\cdot 11^{6} + \left(2 a^{6} + a^{5} + 4 a^{4} + 3 a^{3} + 2 a^{2} + 3 a + 8\right)\cdot 11^{7} +O(11^{8})\) |
$r_{ 6 }$ | $=$ | \( 9 a^{6} + 7 a^{5} + 3 a^{4} + 3 a^{3} + a^{2} + 5 a + 9 + \left(2 a^{6} + 5 a^{5} + 4 a^{2} + 2 a + 1\right)\cdot 11 + \left(a^{6} + 9 a^{5} + 6 a^{3} + 10 a^{2} + 1\right)\cdot 11^{2} + \left(6 a^{6} + 7 a^{5} + 4 a^{4} + 9 a^{3} + 7 a^{2} + a + 2\right)\cdot 11^{3} + \left(9 a^{6} + 2 a^{5} + 6 a^{4} + 8 a^{3} + 7 a^{2} + 9 a + 9\right)\cdot 11^{4} + \left(5 a^{6} + 8 a^{5} + 9 a^{4} + 9 a^{3} + 8 a^{2} + 3 a + 2\right)\cdot 11^{5} + \left(a^{6} + 10 a^{5} + 8 a^{4} + 8 a^{2} + 7 a + 5\right)\cdot 11^{6} + \left(3 a^{6} + 6 a^{4} + 2 a^{3} + 2 a^{2} + 4 a + 4\right)\cdot 11^{7} +O(11^{8})\) |
$r_{ 7 }$ | $=$ | \( 10 a^{6} + a^{5} + 6 a^{4} + 4 a^{3} + 8 a^{2} + 2 a + 3 + \left(3 a^{5} + 8 a^{4} + 6 a^{3} + 7 a^{2} + 6 a + 6\right)\cdot 11 + \left(10 a^{6} + 8 a^{5} + a^{4} + 2 a^{3} + 4 a^{2} + 6 a + 1\right)\cdot 11^{2} + \left(3 a^{6} + 6 a^{5} + a^{4} + 4 a^{3} + 7 a^{2} + 9 a + 7\right)\cdot 11^{3} + \left(3 a^{6} + 8 a^{5} + 5 a^{4} + 6 a^{3} + a^{2} + 9 a + 3\right)\cdot 11^{4} + \left(4 a^{6} + 5 a^{5} + 7 a^{3} + 4 a^{2} + 5 a + 5\right)\cdot 11^{5} + \left(5 a^{6} + 4 a^{5} + 10 a^{4} + 10 a^{3} + 10 a + 7\right)\cdot 11^{6} + \left(2 a^{6} + 2 a^{5} + 8 a^{4} + 6 a^{3} + 8 a^{2} + 8 a\right)\cdot 11^{7} +O(11^{8})\) |
Generators of the action on the roots $r_1, \ldots, r_{ 7 }$
Cycle notation |
Character values on conjugacy classes
Size | Order | Action on $r_1, \ldots, r_{ 7 }$ | Character value |
$1$ | $1$ | $()$ | $1$ |
$1$ | $7$ | $(1,7,6,4,2,3,5)$ | $\zeta_{7}$ |
$1$ | $7$ | $(1,6,2,5,7,4,3)$ | $\zeta_{7}^{2}$ |
$1$ | $7$ | $(1,4,5,6,3,7,2)$ | $\zeta_{7}^{3}$ |
$1$ | $7$ | $(1,2,7,3,6,5,4)$ | $\zeta_{7}^{4}$ |
$1$ | $7$ | $(1,3,4,7,5,2,6)$ | $\zeta_{7}^{5}$ |
$1$ | $7$ | $(1,5,3,2,4,6,7)$ | $-\zeta_{7}^{5} - \zeta_{7}^{4} - \zeta_{7}^{3} - \zeta_{7}^{2} - \zeta_{7} - 1$ |
The blue line marks the conjugacy class containing complex conjugation.