Basic invariants
| Dimension: | $8$ |
| Group: | $C_3^2:Q_8$ |
| Conductor: | \(101240302206976\)\(\medspace = 2^{22} \cdot 17^{6} \) |
| Frobenius-Schur indicator: | $1$ |
| Root number: | $1$ |
| Artin stem field: | Galois closure of 9.1.101240302206976.1 |
| Galois orbit size: | $1$ |
| Smallest permutation container: | $C_3^2:Q_8$ |
| Parity: | even |
| Determinant: | 1.1.1t1.a.a |
| Projective image: | $\PSU(3,2)$ |
| Projective stem field: | Galois closure of 9.1.101240302206976.1 |
Defining polynomial
| $f(x)$ | $=$ |
\( x^{9} - 2x^{8} + 8x^{6} - 20x^{5} + 8x^{4} + 44x^{3} + 88x^{2} - 225x + 106 \)
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The roots of $f$ are computed in an extension of $\Q_{ 11 }$ to precision 10.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 11 }$:
\( x^{4} + 8x^{2} + 10x + 2 \)
Roots:
| $r_{ 1 }$ | $=$ |
\( 5 a^{3} + 8 a^{2} + 8 a + 2 + \left(8 a^{3} + a^{2} + a + 4\right)\cdot 11 + \left(5 a^{3} + a^{2} + 8 a + 6\right)\cdot 11^{2} + \left(6 a^{3} + 8 a^{2} + 6 a + 5\right)\cdot 11^{3} + \left(5 a^{3} + 9 a^{2} + 8 a + 3\right)\cdot 11^{4} + \left(a^{3} + 9 a^{2} + 6 a + 2\right)\cdot 11^{5} + \left(3 a^{3} + 8 a^{2} + 6 a + 5\right)\cdot 11^{6} + \left(8 a^{3} + 5 a^{2} + 9 a + 2\right)\cdot 11^{7} + \left(a^{3} + a^{2} + 8 a + 10\right)\cdot 11^{8} + \left(10 a^{3} + 8 a^{2} + 5\right)\cdot 11^{9} +O(11^{10})\)
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| $r_{ 2 }$ | $=$ |
\( 7 a^{3} + 3 a^{2} + 2 a + 8 + \left(4 a^{3} + 2\right)\cdot 11 + \left(10 a^{3} + 4 a + 9\right)\cdot 11^{2} + \left(5 a^{3} + 9 a + 1\right)\cdot 11^{3} + \left(4 a^{2} + a + 3\right)\cdot 11^{4} + \left(4 a^{3} + 10 a^{2} + 9 a + 1\right)\cdot 11^{5} + \left(4 a^{3} + 7 a^{2} + 6 a + 5\right)\cdot 11^{6} + \left(2 a^{3} + 7 a^{2} + 6 a + 4\right)\cdot 11^{7} + \left(9 a^{3} + a^{2} + 5 a + 6\right)\cdot 11^{8} + \left(5 a^{3} + 9 a^{2} + 6 a + 10\right)\cdot 11^{9} +O(11^{10})\)
|
| $r_{ 3 }$ | $=$ |
\( 5 a^{3} + 2 a^{2} + 7 a + \left(5 a^{2} + 6 a + 3\right)\cdot 11 + \left(6 a^{3} + a^{2} + 9 a + 9\right)\cdot 11^{2} + \left(6 a^{3} + 10 a^{2} + 5 a + 5\right)\cdot 11^{3} + \left(7 a^{3} + 3 a^{2} + 7 a + 1\right)\cdot 11^{4} + \left(7 a^{3} + 5 a^{2} + a\right)\cdot 11^{5} + \left(3 a^{3} + 6 a^{2} + 9 a + 3\right)\cdot 11^{6} + \left(8 a^{3} + a^{2} + a + 2\right)\cdot 11^{7} + \left(5 a^{3} + 9 a^{2} + 6 a + 6\right)\cdot 11^{8} + \left(a^{3} + 9 a^{2} + 6 a + 7\right)\cdot 11^{9} +O(11^{10})\)
|
| $r_{ 4 }$ | $=$ |
\( 4 a^{3} + 8 a^{2} + 9 a + \left(6 a^{3} + 10 a^{2} + 10 a + 8\right)\cdot 11 + \left(4 a^{3} + 5 a^{2} + 8 a + 5\right)\cdot 11^{2} + \left(2 a^{3} + 2 a^{2} + 8 a + 7\right)\cdot 11^{3} + \left(2 a^{3} + a^{2} + 4 a + 4\right)\cdot 11^{4} + \left(3 a^{3} + 7 a^{2} + 4 a + 9\right)\cdot 11^{5} + \left(a^{3} + 5 a^{2} + 3 a + 5\right)\cdot 11^{6} + \left(6 a^{3} + 9 a + 3\right)\cdot 11^{7} + \left(a^{3} + 3 a^{2} + 9\right)\cdot 11^{8} + \left(7 a^{3} + 5 a^{2} + 7 a + 4\right)\cdot 11^{9} +O(11^{10})\)
|
| $r_{ 5 }$ | $=$ |
\( 6 a^{3} + 3 a^{2} + 3 a + 6 + \left(2 a^{3} + 9 a^{2} + 9 a + 6\right)\cdot 11 + \left(a^{3} + 3 a^{2} + 10\right)\cdot 11^{2} + \left(7 a^{3} + 8 a\right)\cdot 11^{3} + \left(2 a^{3} + 7 a^{2} + 6 a + 9\right)\cdot 11^{4} + \left(2 a^{3} + 5 a^{2} + a + 1\right)\cdot 11^{5} + \left(2 a^{3} + 10 a^{2} + 5 a + 10\right)\cdot 11^{6} + \left(5 a^{3} + 7 a^{2} + 7 a + 9\right)\cdot 11^{7} + \left(9 a^{3} + 4 a^{2} + 6 a + 3\right)\cdot 11^{8} + \left(9 a^{3} + 10 a^{2} + 7 a + 7\right)\cdot 11^{9} +O(11^{10})\)
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| $r_{ 6 }$ | $=$ |
\( 3 + 8\cdot 11 + 3\cdot 11^{2} + 4\cdot 11^{5} + 4\cdot 11^{7} + 11^{9} +O(11^{10})\)
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| $r_{ 7 }$ | $=$ |
\( 10 a^{3} + 2 a^{2} + a + 10 + \left(4 a^{3} + a^{2} + a + 3\right)\cdot 11 + \left(6 a^{3} + 4 a^{2} + 9 a + 6\right)\cdot 11^{2} + \left(6 a^{3} + 3 a^{2} + 4 a + 6\right)\cdot 11^{3} + \left(a^{3} + 2 a^{2} + 4 a + 10\right)\cdot 11^{4} + \left(10 a^{3} + a^{2} + 3 a + 1\right)\cdot 11^{5} + \left(4 a^{3} + a^{2} + 7 a + 7\right)\cdot 11^{6} + \left(9 a^{3} + 4 a^{2} + 10 a + 9\right)\cdot 11^{7} + \left(a^{3} + 10 a^{2} + a + 3\right)\cdot 11^{8} + \left(4 a^{3} + 8 a^{2} + a + 7\right)\cdot 11^{9} +O(11^{10})\)
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| $r_{ 8 }$ | $=$ |
\( 5 a^{3} + 4 a^{2} + a + 8 + \left(4 a^{3} + 8 a^{2} + a + 1\right)\cdot 11 + \left(6 a^{3} + 2 a^{2} + 6 a + 6\right)\cdot 11^{2} + \left(5 a^{2} + 10 a + 7\right)\cdot 11^{3} + \left(10 a^{3} + 5 a\right)\cdot 11^{4} + \left(3 a^{3} + 7 a^{2} + 9 a + 6\right)\cdot 11^{5} + \left(2 a^{3} + 6 a^{2} + 5 a + 4\right)\cdot 11^{6} + \left(3 a^{3} + a^{2} + 8 a + 2\right)\cdot 11^{7} + \left(5 a^{3} + 7 a + 5\right)\cdot 11^{8} + \left(4 a^{3} + 10 a^{2} + 5 a + 8\right)\cdot 11^{9} +O(11^{10})\)
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| $r_{ 9 }$ | $=$ |
\( 2 a^{3} + 3 a^{2} + 2 a + 9 + \left(a^{3} + 7 a^{2} + 2 a + 5\right)\cdot 11 + \left(3 a^{3} + 2 a^{2} + 8 a + 8\right)\cdot 11^{2} + \left(8 a^{3} + 3 a^{2} + 7\right)\cdot 11^{3} + \left(2 a^{3} + 4 a^{2} + 4 a + 10\right)\cdot 11^{4} + \left(8 a^{2} + 7 a + 5\right)\cdot 11^{5} + \left(7 a^{2} + 10 a + 2\right)\cdot 11^{6} + \left(a^{3} + 3 a^{2} + 5\right)\cdot 11^{7} + \left(9 a^{3} + 2 a^{2} + 6 a + 9\right)\cdot 11^{8} + \left(4 a^{2} + 8 a + 1\right)\cdot 11^{9} +O(11^{10})\)
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Generators of the action on the roots $r_1, \ldots, r_{ 9 }$
| Cycle notation |
Character values on conjugacy classes
| Size | Order | Action on $r_1, \ldots, r_{ 9 }$ | Character value |
| $1$ | $1$ | $()$ | $8$ |
| $9$ | $2$ | $(2,9)(3,8)(4,7)(5,6)$ | $0$ |
| $8$ | $3$ | $(1,3,8)(2,4,6)(5,7,9)$ | $-1$ |
| $18$ | $4$ | $(2,6,9,5)(3,7,8,4)$ | $0$ |
| $18$ | $4$ | $(1,7,6,9)(2,4,8,3)$ | $0$ |
| $18$ | $4$ | $(1,8,7,9)(2,3,6,5)$ | $0$ |
The blue line marks the conjugacy class containing complex conjugation.