Properties

 Label 14.2e12_3e18_7e12.15t47.1c1 Dimension 14 Group $A_7$ Conductor $2^{12} \cdot 3^{18} \cdot 7^{12}$ Root number 1 Frobenius-Schur indicator 1

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Basic invariants

 Dimension: $14$ Group: $A_7$ Conductor: $21964383255760327839744= 2^{12} \cdot 3^{18} \cdot 7^{12}$ Artin number field: Splitting field of $f= x^{7} - 3 x^{6} + 3 x^{5} + 3 x^{4} - 9 x^{3} + 3 x^{2} + x - 3$ over $\Q$ Size of Galois orbit: 1 Smallest containing permutation representation: $A_7$ Parity: Even Determinant: 1.1.1t1.1c1

Galois action

Roots of defining polynomial

The roots of $f$ are computed in an extension of $\Q_{ 659 }$ to precision 5.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 659 }$: $x^{2} + 655 x + 2$
Roots:
 $r_{ 1 }$ $=$ $84 a + 206 + \left(212 a + 614\right)\cdot 659 + \left(642 a + 490\right)\cdot 659^{2} + \left(642 a + 529\right)\cdot 659^{3} + \left(484 a + 480\right)\cdot 659^{4} +O\left(659^{ 5 }\right)$ $r_{ 2 }$ $=$ $385 + 268\cdot 659 + 129\cdot 659^{2} + 397\cdot 659^{3} + 485\cdot 659^{4} +O\left(659^{ 5 }\right)$ $r_{ 3 }$ $=$ $158 + 292\cdot 659 + 202\cdot 659^{2} + 538\cdot 659^{3} + 347\cdot 659^{4} +O\left(659^{ 5 }\right)$ $r_{ 4 }$ $=$ $575 a + 542 + \left(446 a + 60\right)\cdot 659 + \left(16 a + 212\right)\cdot 659^{2} + \left(16 a + 482\right)\cdot 659^{3} + \left(174 a + 459\right)\cdot 659^{4} +O\left(659^{ 5 }\right)$ $r_{ 5 }$ $=$ $141 a + 604 + \left(154 a + 480\right)\cdot 659 + \left(465 a + 24\right)\cdot 659^{2} + \left(510 a + 317\right)\cdot 659^{3} + \left(575 a + 322\right)\cdot 659^{4} +O\left(659^{ 5 }\right)$ $r_{ 6 }$ $=$ $518 a + 509 + \left(504 a + 297\right)\cdot 659 + \left(193 a + 413\right)\cdot 659^{2} + \left(148 a + 576\right)\cdot 659^{3} + \left(83 a + 137\right)\cdot 659^{4} +O\left(659^{ 5 }\right)$ $r_{ 7 }$ $=$ $235 + 621\cdot 659 + 503\cdot 659^{2} + 453\cdot 659^{3} + 401\cdot 659^{4} +O\left(659^{ 5 }\right)$

Generators of the action on the roots $r_1, \ldots, r_{ 7 }$

 Cycle notation $(3,4,5,6,7)$ $(1,2,3)$

Character values on conjugacy classes

 Size Order Action on $r_1, \ldots, r_{ 7 }$ Character value $1$ $1$ $()$ $14$ $105$ $2$ $(1,2)(3,4)$ $2$ $70$ $3$ $(1,2,3)$ $-1$ $280$ $3$ $(1,2,3)(4,5,6)$ $2$ $630$ $4$ $(1,2,3,4)(5,6)$ $0$ $504$ $5$ $(1,2,3,4,5)$ $-1$ $210$ $6$ $(1,2,3)(4,5)(6,7)$ $-1$ $360$ $7$ $(1,2,3,4,5,6,7)$ $0$ $360$ $7$ $(1,3,4,5,6,7,2)$ $0$
The blue line marks the conjugacy class containing complex conjugation.