Basic invariants
Dimension: | $14$ |
Group: | $S_7$ |
Conductor: | \(151\!\cdots\!201\)\(\medspace = 307^{10} \cdot 853^{10} \) |
Frobenius-Schur indicator: | $1$ |
Root number: | $1$ |
Artin stem field: | Galois closure of 7.1.261871.1 |
Galois orbit size: | $1$ |
Smallest permutation container: | 42T413 |
Parity: | even |
Determinant: | 1.1.1t1.a.a |
Projective image: | $S_7$ |
Projective stem field: | Galois closure of 7.1.261871.1 |
Defining polynomial
$f(x)$ | $=$ | \( x^{7} - x^{6} - x^{5} + 2x^{4} - x^{3} - x^{2} + x - 1 \) . |
The roots of $f$ are computed in an extension of $\Q_{ 41 }$ to precision 5.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 41 }$: \( x^{2} + 38x + 6 \)
Roots:
$r_{ 1 }$ | $=$ | \( 11 + 31\cdot 41 + 35\cdot 41^{2} + 10\cdot 41^{3} + 35\cdot 41^{4} +O(41^{5})\) |
$r_{ 2 }$ | $=$ | \( 7 a + 11 + \left(8 a + 21\right)\cdot 41 + \left(12 a + 11\right)\cdot 41^{2} + \left(21 a + 15\right)\cdot 41^{3} + \left(2 a + 8\right)\cdot 41^{4} +O(41^{5})\) |
$r_{ 3 }$ | $=$ | \( 34 a + 32 + \left(32 a + 38\right)\cdot 41 + \left(28 a + 39\right)\cdot 41^{2} + \left(19 a + 25\right)\cdot 41^{3} + \left(38 a + 35\right)\cdot 41^{4} +O(41^{5})\) |
$r_{ 4 }$ | $=$ | \( 22 a + \left(29 a + 24\right)\cdot 41 + \left(8 a + 24\right)\cdot 41^{2} + \left(a + 10\right)\cdot 41^{3} + \left(39 a + 24\right)\cdot 41^{4} +O(41^{5})\) |
$r_{ 5 }$ | $=$ | \( 19 a + 25 + \left(11 a + 8\right)\cdot 41 + \left(32 a + 21\right)\cdot 41^{2} + \left(39 a + 5\right)\cdot 41^{3} + \left(a + 17\right)\cdot 41^{4} +O(41^{5})\) |
$r_{ 6 }$ | $=$ | \( 37 + 19\cdot 41 + 39\cdot 41^{2} + 16\cdot 41^{3} + 41^{4} +O(41^{5})\) |
$r_{ 7 }$ | $=$ | \( 8 + 20\cdot 41 + 32\cdot 41^{2} + 37\cdot 41^{3} +O(41^{5})\) |
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 |
$1$ | $1$ | $()$ | $14$ |
$21$ | $2$ | $(1,2)$ | $-6$ |
$105$ | $2$ | $(1,2)(3,4)(5,6)$ | $-2$ |
$105$ | $2$ | $(1,2)(3,4)$ | $2$ |
$70$ | $3$ | $(1,2,3)$ | $2$ |
$280$ | $3$ | $(1,2,3)(4,5,6)$ | $-1$ |
$210$ | $4$ | $(1,2,3,4)$ | $0$ |
$630$ | $4$ | $(1,2,3,4)(5,6)$ | $0$ |
$504$ | $5$ | $(1,2,3,4,5)$ | $-1$ |
$210$ | $6$ | $(1,2,3)(4,5)(6,7)$ | $2$ |
$420$ | $6$ | $(1,2,3)(4,5)$ | $0$ |
$840$ | $6$ | $(1,2,3,4,5,6)$ | $1$ |
$720$ | $7$ | $(1,2,3,4,5,6,7)$ | $0$ |
$504$ | $10$ | $(1,2,3,4,5)(6,7)$ | $-1$ |
$420$ | $12$ | $(1,2,3,4)(5,6,7)$ | $0$ |
The blue line marks the conjugacy class containing complex conjugation.