Basic invariants
| Dimension: | $2$ |
| Group: | $D_{6}$ |
| Conductor: | \(980\)\(\medspace = 2^{2} \cdot 5 \cdot 7^{2} \) |
| Frobenius-Schur indicator: | $1$ |
| Root number: | $1$ |
| Artin stem field: | Galois closure of 6.2.4802000.1 |
| Galois orbit size: | $1$ |
| Smallest permutation container: | $D_{6}$ |
| Parity: | odd |
| Determinant: | 1.20.2t1.a.a |
| Projective image: | $S_3$ |
| Projective stem field: | Galois closure of 3.1.980.1 |
Defining polynomial
| $f(x)$ | $=$ |
\( x^{6} - 3x^{5} + 8x^{4} - 11x^{3} + 18x^{2} - 13x + 1 \)
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The roots of $f$ are computed in an extension of $\Q_{ 11 }$ to precision 7.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 11 }$:
\( x^{2} + 7x + 2 \)
Roots:
| $r_{ 1 }$ | $=$ |
\( 3 a + 3 + 9\cdot 11 + \left(8 a + 8\right)\cdot 11^{2} + \left(5 a + 1\right)\cdot 11^{3} + \left(6 a + 3\right)\cdot 11^{4} + \left(4 a + 2\right)\cdot 11^{5} + \left(2 a + 5\right)\cdot 11^{6} +O(11^{7})\)
|
| $r_{ 2 }$ | $=$ |
\( 2 + 2\cdot 11 + 5\cdot 11^{2} + 11^{4} + 10\cdot 11^{5} + 3\cdot 11^{6} +O(11^{7})\)
|
| $r_{ 3 }$ | $=$ |
\( 3 a + 8 + 3\cdot 11 + \left(8 a + 3\right)\cdot 11^{2} + \left(5 a + 5\right)\cdot 11^{3} + \left(6 a + 9\right)\cdot 11^{4} + \left(4 a + 7\right)\cdot 11^{5} + 2 a\cdot 11^{6} +O(11^{7})\)
|
| $r_{ 4 }$ | $=$ |
\( 8 a + 4 + \left(10 a + 7\right)\cdot 11 + \left(2 a + 7\right)\cdot 11^{2} + \left(5 a + 5\right)\cdot 11^{3} + \left(4 a + 1\right)\cdot 11^{4} + \left(6 a + 3\right)\cdot 11^{5} + \left(8 a + 10\right)\cdot 11^{6} +O(11^{7})\)
|
| $r_{ 5 }$ | $=$ |
\( 10 + 8\cdot 11 + 5\cdot 11^{2} + 10\cdot 11^{3} + 9\cdot 11^{4} + 7\cdot 11^{6} +O(11^{7})\)
|
| $r_{ 6 }$ | $=$ |
\( 8 a + 9 + \left(10 a + 1\right)\cdot 11 + \left(2 a + 2\right)\cdot 11^{2} + \left(5 a + 9\right)\cdot 11^{3} + \left(4 a + 7\right)\cdot 11^{4} + \left(6 a + 8\right)\cdot 11^{5} + \left(8 a + 5\right)\cdot 11^{6} +O(11^{7})\)
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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 |
| $1$ | $1$ | $()$ | $2$ |
| $1$ | $2$ | $(1,6)(2,5)(3,4)$ | $-2$ |
| $3$ | $2$ | $(1,2)(5,6)$ | $0$ |
| $3$ | $2$ | $(1,6)(2,3)(4,5)$ | $0$ |
| $2$ | $3$ | $(1,2,4)(3,6,5)$ | $-1$ |
| $2$ | $6$ | $(1,3,2,6,4,5)$ | $1$ |
The blue line marks the conjugacy class containing complex conjugation.