Basic invariants
| Dimension: | $3$ |
| Group: | $A_4$ |
| Conductor: | \(17689\)\(\medspace = 7^{2} \cdot 19^{2} \) |
| Frobenius-Schur indicator: | $1$ |
| Root number: | $1$ |
| Artin stem field: | Galois closure of 6.2.6385729.1 |
| Galois orbit size: | $1$ |
| Smallest permutation container: | $A_4$ |
| Parity: | even |
| Determinant: | 1.1.1t1.a.a |
| Projective image: | $A_4$ |
| Projective stem field: | Galois closure of 6.2.6385729.1 |
Defining polynomial
| $f(x)$ | $=$ |
\( x^{6} - 2x^{5} + 5x^{3} + 5x - 1 \)
|
The roots of $f$ are computed in an extension of $\Q_{ 11 }$ to precision 9.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 11 }$:
\( x^{2} + 7x + 2 \)
Roots:
| $r_{ 1 }$ | $=$ |
\( 3 a + 3 + \left(9 a + 4\right)\cdot 11 + \left(9 a + 9\right)\cdot 11^{2} + \left(3 a + 9\right)\cdot 11^{3} + \left(5 a + 7\right)\cdot 11^{4} + \left(9 a + 5\right)\cdot 11^{5} + \left(6 a + 9\right)\cdot 11^{6} + \left(7 a + 4\right)\cdot 11^{7} + \left(7 a + 3\right)\cdot 11^{8} +O(11^{9})\)
|
| $r_{ 2 }$ | $=$ |
\( 4 a + 5 + \left(4 a + 5\right)\cdot 11 + \left(10 a + 4\right)\cdot 11^{2} + \left(2 a + 8\right)\cdot 11^{3} + \left(9 a + 6\right)\cdot 11^{4} + \left(6 a + 6\right)\cdot 11^{5} + \left(3 a + 7\right)\cdot 11^{6} + \left(a + 4\right)\cdot 11^{7} + \left(4 a + 6\right)\cdot 11^{8} +O(11^{9})\)
|
| $r_{ 3 }$ | $=$ |
\( 4 + 3\cdot 11 + 7\cdot 11^{2} + 6\cdot 11^{3} + 11^{4} + 3\cdot 11^{5} + 5\cdot 11^{6} + 11^{7} + 4\cdot 11^{8} +O(11^{9})\)
|
| $r_{ 4 }$ | $=$ |
\( 8 a + 4 + \left(a + 5\right)\cdot 11 + \left(a + 6\right)\cdot 11^{2} + \left(7 a + 4\right)\cdot 11^{3} + \left(5 a + 3\right)\cdot 11^{4} + \left(a + 5\right)\cdot 11^{5} + \left(4 a + 5\right)\cdot 11^{6} + \left(3 a + 6\right)\cdot 11^{7} + \left(3 a + 4\right)\cdot 11^{8} +O(11^{9})\)
|
| $r_{ 5 }$ | $=$ |
\( 7 a + 10 + \left(6 a + 7\right)\cdot 11 + 8\cdot 11^{2} + \left(8 a + 9\right)\cdot 11^{3} + \left(a + 7\right)\cdot 11^{4} + \left(4 a + 2\right)\cdot 11^{5} + \left(7 a + 4\right)\cdot 11^{6} + \left(9 a + 6\right)\cdot 11^{7} + \left(6 a + 10\right)\cdot 11^{8} +O(11^{9})\)
|
| $r_{ 6 }$ | $=$ |
\( 9 + 6\cdot 11 + 7\cdot 11^{2} + 4\cdot 11^{3} + 5\cdot 11^{4} + 9\cdot 11^{5} + 9\cdot 11^{7} + 3\cdot 11^{8} +O(11^{9})\)
|
Generators of the action on the roots $r_1, \ldots, r_{ 6 }$
| Cycle notation |
Character values on conjugacy classes
| Size | Order | Action on $r_1, \ldots, r_{ 6 }$ | Character value |
| $1$ | $1$ | $()$ | $3$ |
| $3$ | $2$ | $(1,4)(2,5)$ | $-1$ |
| $4$ | $3$ | $(1,5,6)(2,3,4)$ | $0$ |
| $4$ | $3$ | $(1,6,5)(2,4,3)$ | $0$ |
The blue line marks the conjugacy class containing complex conjugation.