Basic invariants
| Dimension: | $2$ |
| Group: | $S_3\times C_3$ |
| Conductor: | \(152\)\(\medspace = 2^{3} \cdot 19 \) |
| Artin number field: | Galois closure of 6.0.184832.1 |
| Galois orbit size: | $2$ |
| Smallest permutation container: | $S_3\times C_3$ |
| Parity: | odd |
| Projective image: | $S_3$ |
| Projective field: | Galois closure of 3.1.2888.1 |
Galois action
Roots of defining polynomial
The roots of $f$ are computed in an extension of $\Q_{ 7 }$ to precision 7.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 7 }$:
\( x^{2} + 6x + 3 \)
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Roots:
| $r_{ 1 }$ | $=$ |
\( 5 a + 4 + 4\cdot 7 + 2 a\cdot 7^{2} + \left(4 a + 6\right)\cdot 7^{3} + \left(a + 1\right)\cdot 7^{4} + \left(5 a + 5\right)\cdot 7^{5} + \left(6 a + 5\right)\cdot 7^{6} +O(7^{7})\)
|
| $r_{ 2 }$ | $=$ |
\( 2 a + 2 + 6 a\cdot 7 + \left(4 a + 2\right)\cdot 7^{2} + \left(2 a + 1\right)\cdot 7^{3} + \left(5 a + 6\right)\cdot 7^{4} + \left(a + 1\right)\cdot 7^{5} +O(7^{7})\)
|
| $r_{ 3 }$ | $=$ |
\( 6 a + \left(3 a + 1\right)\cdot 7 + 4\cdot 7^{2} + \left(a + 3\right)\cdot 7^{3} + \left(3 a + 2\right)\cdot 7^{4} + \left(3 a + 6\right)\cdot 7^{5} + 7^{6} +O(7^{7})\)
|
| $r_{ 4 }$ | $=$ |
\( a + 6 + \left(3 a + 5\right)\cdot 7 + 6 a\cdot 7^{2} + \left(5 a + 4\right)\cdot 7^{3} + \left(3 a + 4\right)\cdot 7^{4} + \left(3 a + 6\right)\cdot 7^{5} + \left(6 a + 5\right)\cdot 7^{6} +O(7^{7})\)
|
| $r_{ 5 }$ | $=$ |
\( 4 a + \left(4 a + 1\right)\cdot 7 + \left(2 a + 4\right)\cdot 7^{2} + \left(5 a + 1\right)\cdot 7^{3} + \left(4 a + 3\right)\cdot 7^{4} + \left(a + 5\right)\cdot 7^{5} +O(7^{7})\)
|
| $r_{ 6 }$ | $=$ |
\( 3 a + 4 + \left(2 a + 1\right)\cdot 7 + \left(4 a + 2\right)\cdot 7^{2} + \left(a + 4\right)\cdot 7^{3} + \left(2 a + 2\right)\cdot 7^{4} + \left(5 a + 2\right)\cdot 7^{5} + \left(6 a + 6\right)\cdot 7^{6} +O(7^{7})\)
|
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 values | |
| $c1$ | $c2$ | |||
| $1$ | $1$ | $()$ | $2$ | $2$ |
| $3$ | $2$ | $(1,4)(2,6)(3,5)$ | $0$ | $0$ |
| $1$ | $3$ | $(1,6,3)(2,5,4)$ | $2 \zeta_{3}$ | $-2 \zeta_{3} - 2$ |
| $1$ | $3$ | $(1,3,6)(2,4,5)$ | $-2 \zeta_{3} - 2$ | $2 \zeta_{3}$ |
| $2$ | $3$ | $(1,6,3)$ | $\zeta_{3} + 1$ | $-\zeta_{3}$ |
| $2$ | $3$ | $(1,3,6)$ | $-\zeta_{3}$ | $\zeta_{3} + 1$ |
| $2$ | $3$ | $(1,3,6)(2,5,4)$ | $-1$ | $-1$ |
| $3$ | $6$ | $(1,2,6,5,3,4)$ | $0$ | $0$ |
| $3$ | $6$ | $(1,4,3,5,6,2)$ | $0$ | $0$ |