Basic invariants
| Dimension: | $21$ |
| Group: | $S_7$ |
| Conductor: | \(720\!\cdots\!249\)\(\medspace = 4850543^{10} \) |
| Frobenius-Schur indicator: | $1$ |
| Root number: | $1$ |
| Artin number field: | Galois closure of 7.5.4850543.1 |
| Galois orbit size: | $1$ |
| Smallest permutation container: | 84 |
| Parity: | even |
| Projective image: | $S_7$ |
| Projective field: | Galois closure of 7.5.4850543.1 |
Galois action
Roots of defining polynomial
The roots of $f$ are computed in an extension of $\Q_{ 47 }$ to precision 5.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 47 }$:
\( x^{2} + 45x + 5 \)
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Roots:
| $r_{ 1 }$ | $=$ |
\( 41 a + 3 + \left(40 a + 1\right)\cdot 47 + \left(3 a + 14\right)\cdot 47^{2} + \left(18 a + 8\right)\cdot 47^{3} + \left(44 a + 43\right)\cdot 47^{4} +O(47^{5})\)
|
| $r_{ 2 }$ | $=$ |
\( 6 a + 38 + \left(6 a + 41\right)\cdot 47 + \left(43 a + 27\right)\cdot 47^{2} + \left(28 a + 40\right)\cdot 47^{3} + \left(2 a + 19\right)\cdot 47^{4} +O(47^{5})\)
|
| $r_{ 3 }$ | $=$ |
\( 38 + 5\cdot 47 + 25\cdot 47^{2} + 2\cdot 47^{3} + 9\cdot 47^{4} +O(47^{5})\)
|
| $r_{ 4 }$ | $=$ |
\( 41 a + 26 + \left(41 a + 1\right)\cdot 47 + \left(18 a + 19\right)\cdot 47^{2} + \left(15 a + 1\right)\cdot 47^{3} + \left(41 a + 6\right)\cdot 47^{4} +O(47^{5})\)
|
| $r_{ 5 }$ | $=$ |
\( 6 a + 14 + \left(5 a + 44\right)\cdot 47 + \left(28 a + 14\right)\cdot 47^{2} + \left(31 a + 13\right)\cdot 47^{3} + \left(5 a + 26\right)\cdot 47^{4} +O(47^{5})\)
|
| $r_{ 6 }$ | $=$ |
\( 8 a + 27 + \left(17 a + 33\right)\cdot 47 + \left(45 a + 6\right)\cdot 47^{2} + \left(10 a + 2\right)\cdot 47^{3} + \left(a + 46\right)\cdot 47^{4} +O(47^{5})\)
|
| $r_{ 7 }$ | $=$ |
\( 39 a + 43 + \left(29 a + 12\right)\cdot 47 + \left(a + 33\right)\cdot 47^{2} + \left(36 a + 25\right)\cdot 47^{3} + \left(45 a + 37\right)\cdot 47^{4} +O(47^{5})\)
|
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 values |
| $c1$ | |||
| $1$ | $1$ | $()$ | $21$ |
| $21$ | $2$ | $(1,2)$ | $1$ |
| $105$ | $2$ | $(1,2)(3,4)(5,6)$ | $-3$ |
| $105$ | $2$ | $(1,2)(3,4)$ | $1$ |
| $70$ | $3$ | $(1,2,3)$ | $-3$ |
| $280$ | $3$ | $(1,2,3)(4,5,6)$ | $0$ |
| $210$ | $4$ | $(1,2,3,4)$ | $-1$ |
| $630$ | $4$ | $(1,2,3,4)(5,6)$ | $-1$ |
| $504$ | $5$ | $(1,2,3,4,5)$ | $1$ |
| $210$ | $6$ | $(1,2,3)(4,5)(6,7)$ | $1$ |
| $420$ | $6$ | $(1,2,3)(4,5)$ | $1$ |
| $840$ | $6$ | $(1,2,3,4,5,6)$ | $0$ |
| $720$ | $7$ | $(1,2,3,4,5,6,7)$ | $0$ |
| $504$ | $10$ | $(1,2,3,4,5)(6,7)$ | $1$ |
| $420$ | $12$ | $(1,2,3,4)(5,6,7)$ | $-1$ |