Properties

Label 4.5_643.8t44.2c1
Dimension 4
Group $C_2 \wr S_4$
Conductor $ 5 \cdot 643 $
Root number 1
Frobenius-Schur indicator 1

Related objects

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Basic invariants

Dimension:$4$
Group:$C_2 \wr S_4$
Conductor:$3215= 5 \cdot 643 $
Artin number field: Splitting field of $f= x^{8} - x^{7} + x^{6} - x^{4} + x^{2} - x + 1 $ over $\Q$
Size of Galois orbit: 1
Smallest containing permutation representation: $C_2 \wr S_4$
Parity: Odd
Determinant: 1.5_643.2t1.1c1

Galois action

Roots of defining polynomial

The roots of $f$ are computed in an extension of $\Q_{ 37 }$ to precision 24.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 37 }$: $ x^{2} + 33 x + 2 $
Roots:
$r_{ 1 }$ $=$ $ 23 a + 13 + \left(9 a + 19\right)\cdot 37 + \left(29 a + 6\right)\cdot 37^{2} + \left(28 a + 21\right)\cdot 37^{3} + \left(33 a + 36\right)\cdot 37^{4} + \left(9 a + 20\right)\cdot 37^{5} + \left(20 a + 4\right)\cdot 37^{6} + \left(8 a + 16\right)\cdot 37^{7} + \left(27 a + 8\right)\cdot 37^{8} + \left(35 a + 2\right)\cdot 37^{9} + \left(33 a + 26\right)\cdot 37^{10} + \left(10 a + 23\right)\cdot 37^{11} + \left(8 a + 10\right)\cdot 37^{12} + \left(17 a + 6\right)\cdot 37^{13} + \left(21 a + 21\right)\cdot 37^{14} + \left(34 a + 14\right)\cdot 37^{15} + \left(4 a + 3\right)\cdot 37^{16} + \left(27 a + 7\right)\cdot 37^{17} + \left(34 a + 14\right)\cdot 37^{18} + \left(24 a + 36\right)\cdot 37^{19} + \left(30 a + 13\right)\cdot 37^{20} + \left(11 a + 6\right)\cdot 37^{21} + \left(26 a + 10\right)\cdot 37^{22} + \left(27 a + 32\right)\cdot 37^{23} +O\left(37^{ 24 }\right)$
$r_{ 2 }$ $=$ $ 6 a + 31 + \left(28 a + 30\right)\cdot 37 + 19 a\cdot 37^{2} + \left(14 a + 21\right)\cdot 37^{3} + \left(7 a + 23\right)\cdot 37^{4} + \left(22 a + 28\right)\cdot 37^{5} + \left(13 a + 23\right)\cdot 37^{6} + \left(17 a + 9\right)\cdot 37^{7} + \left(a + 8\right)\cdot 37^{8} + \left(11 a + 23\right)\cdot 37^{9} + \left(14 a + 11\right)\cdot 37^{10} + \left(33 a + 23\right)\cdot 37^{11} + \left(27 a + 9\right)\cdot 37^{12} + \left(14 a + 14\right)\cdot 37^{13} + \left(30 a + 10\right)\cdot 37^{14} + \left(13 a + 31\right)\cdot 37^{15} + \left(22 a + 3\right)\cdot 37^{16} + \left(20 a + 29\right)\cdot 37^{17} + \left(4 a + 28\right)\cdot 37^{18} + \left(34 a + 21\right)\cdot 37^{19} + \left(31 a + 8\right)\cdot 37^{20} + \left(15 a + 16\right)\cdot 37^{21} + \left(32 a + 19\right)\cdot 37^{22} + \left(13 a + 10\right)\cdot 37^{23} +O\left(37^{ 24 }\right)$
$r_{ 3 }$ $=$ $ 13 + 11\cdot 37 + 17\cdot 37^{2} + 9\cdot 37^{3} + 8\cdot 37^{4} + 16\cdot 37^{5} + 4\cdot 37^{6} + 26\cdot 37^{7} + 10\cdot 37^{8} + 29\cdot 37^{9} + 36\cdot 37^{10} + 28\cdot 37^{11} + 16\cdot 37^{12} + 32\cdot 37^{13} + 25\cdot 37^{14} + 24\cdot 37^{15} + 32\cdot 37^{16} + 13\cdot 37^{17} + 36\cdot 37^{18} + 10\cdot 37^{19} + 15\cdot 37^{20} + 8\cdot 37^{21} + 5\cdot 37^{22} +O\left(37^{ 24 }\right)$
$r_{ 4 }$ $=$ $ 14 a + 31 + \left(27 a + 34\right)\cdot 37 + \left(7 a + 2\right)\cdot 37^{2} + \left(8 a + 33\right)\cdot 37^{3} + \left(3 a + 31\right)\cdot 37^{4} + \left(27 a + 26\right)\cdot 37^{5} + \left(16 a + 1\right)\cdot 37^{6} + \left(28 a + 30\right)\cdot 37^{7} + \left(9 a + 34\right)\cdot 37^{8} + \left(a + 6\right)\cdot 37^{9} + \left(3 a + 15\right)\cdot 37^{10} + \left(26 a + 33\right)\cdot 37^{11} + \left(28 a + 32\right)\cdot 37^{12} + \left(19 a + 29\right)\cdot 37^{13} + \left(15 a + 15\right)\cdot 37^{14} + \left(2 a + 20\right)\cdot 37^{15} + \left(32 a + 25\right)\cdot 37^{16} + \left(9 a + 36\right)\cdot 37^{17} + \left(2 a + 14\right)\cdot 37^{18} + \left(12 a + 27\right)\cdot 37^{19} + 6 a\cdot 37^{20} + \left(25 a + 23\right)\cdot 37^{21} + \left(10 a + 29\right)\cdot 37^{22} + \left(9 a + 5\right)\cdot 37^{23} +O\left(37^{ 24 }\right)$
$r_{ 5 }$ $=$ $ 28 a + 11 + \left(32 a + 29\right)\cdot 37 + \left(29 a + 1\right)\cdot 37^{2} + \left(7 a + 25\right)\cdot 37^{3} + \left(28 a + 14\right)\cdot 37^{4} + \left(24 a + 19\right)\cdot 37^{5} + \left(30 a + 34\right)\cdot 37^{6} + 8 a\cdot 37^{7} + \left(33 a + 3\right)\cdot 37^{8} + \left(24 a + 34\right)\cdot 37^{9} + \left(31 a + 2\right)\cdot 37^{10} + \left(6 a + 1\right)\cdot 37^{11} + \left(30 a + 25\right)\cdot 37^{12} + \left(20 a + 6\right)\cdot 37^{13} + \left(22 a + 1\right)\cdot 37^{14} + \left(35 a + 23\right)\cdot 37^{15} + \left(21 a + 20\right)\cdot 37^{16} + \left(12 a + 2\right)\cdot 37^{17} + \left(17 a + 3\right)\cdot 37^{18} + \left(6 a + 25\right)\cdot 37^{19} + \left(11 a + 32\right)\cdot 37^{20} + \left(11 a + 15\right)\cdot 37^{21} + \left(29 a + 35\right)\cdot 37^{22} + \left(14 a + 26\right)\cdot 37^{23} +O\left(37^{ 24 }\right)$
$r_{ 6 }$ $=$ $ 20 + 11\cdot 37 + 15\cdot 37^{2} + 26\cdot 37^{3} + 22\cdot 37^{4} + 20\cdot 37^{5} + 37^{6} + 31\cdot 37^{7} + 32\cdot 37^{8} + 33\cdot 37^{9} + 3\cdot 37^{10} + 9\cdot 37^{11} + 11\cdot 37^{12} + 27\cdot 37^{13} + 33\cdot 37^{14} + 19\cdot 37^{15} + 20\cdot 37^{16} + 12\cdot 37^{17} + 37^{18} + 24\cdot 37^{19} + 14\cdot 37^{20} + 17\cdot 37^{21} + 32\cdot 37^{22} + 18\cdot 37^{23} +O\left(37^{ 24 }\right)$
$r_{ 7 }$ $=$ $ 31 a + 18 + \left(8 a + 26\right)\cdot 37 + \left(17 a + 14\right)\cdot 37^{2} + \left(22 a + 22\right)\cdot 37^{3} + \left(29 a + 1\right)\cdot 37^{4} + \left(14 a + 36\right)\cdot 37^{5} + \left(23 a + 18\right)\cdot 37^{6} + \left(19 a + 28\right)\cdot 37^{7} + \left(35 a + 33\right)\cdot 37^{8} + \left(25 a + 28\right)\cdot 37^{9} + \left(22 a + 20\right)\cdot 37^{10} + \left(3 a + 31\right)\cdot 37^{11} + \left(9 a + 13\right)\cdot 37^{12} + \left(22 a + 8\right)\cdot 37^{13} + \left(6 a + 6\right)\cdot 37^{14} + \left(23 a + 19\right)\cdot 37^{15} + \left(14 a + 5\right)\cdot 37^{16} + \left(16 a + 15\right)\cdot 37^{17} + \left(32 a + 26\right)\cdot 37^{18} + \left(2 a + 5\right)\cdot 37^{19} + \left(5 a + 28\right)\cdot 37^{20} + \left(21 a + 10\right)\cdot 37^{21} + \left(4 a + 22\right)\cdot 37^{22} + \left(23 a + 33\right)\cdot 37^{23} +O\left(37^{ 24 }\right)$
$r_{ 8 }$ $=$ $ 9 a + 12 + \left(4 a + 21\right)\cdot 37 + \left(7 a + 14\right)\cdot 37^{2} + \left(29 a + 26\right)\cdot 37^{3} + \left(8 a + 8\right)\cdot 37^{4} + \left(12 a + 16\right)\cdot 37^{5} + \left(6 a + 21\right)\cdot 37^{6} + \left(28 a + 5\right)\cdot 37^{7} + \left(3 a + 16\right)\cdot 37^{8} + \left(12 a + 26\right)\cdot 37^{9} + \left(5 a + 30\right)\cdot 37^{10} + \left(30 a + 33\right)\cdot 37^{11} + \left(6 a + 27\right)\cdot 37^{12} + \left(16 a + 22\right)\cdot 37^{13} + \left(14 a + 33\right)\cdot 37^{14} + \left(a + 31\right)\cdot 37^{15} + \left(15 a + 35\right)\cdot 37^{16} + \left(24 a + 30\right)\cdot 37^{17} + \left(19 a + 22\right)\cdot 37^{18} + \left(30 a + 33\right)\cdot 37^{19} + \left(25 a + 33\right)\cdot 37^{20} + \left(25 a + 12\right)\cdot 37^{21} + \left(7 a + 30\right)\cdot 37^{22} + \left(22 a + 19\right)\cdot 37^{23} +O\left(37^{ 24 }\right)$

Generators of the action on the roots $r_1, \ldots, r_{ 8 }$

Cycle notation
$(1,4)(5,8)$
$(1,4,3,2)(5,6,7,8)$
$(1,8)$

Character values on conjugacy classes

SizeOrderAction on $r_1, \ldots, r_{ 8 }$ Character value
$1$$1$$()$$4$
$1$$2$$(1,8)(2,7)(3,6)(4,5)$$-4$
$4$$2$$(2,7)$$2$
$4$$2$$(1,8)(2,7)(3,6)$$-2$
$6$$2$$(2,7)(4,5)$$0$
$12$$2$$(1,3)(2,4)(5,7)(6,8)$$0$
$12$$2$$(1,4)(5,8)$$2$
$12$$2$$(1,8)(2,3)(4,5)(6,7)$$-2$
$24$$2$$(1,4)(2,7)(5,8)$$0$
$32$$3$$(1,3,2)(6,7,8)$$1$
$12$$4$$(1,3,8,6)(2,5,7,4)$$0$
$12$$4$$(1,4,8,5)$$2$
$12$$4$$(1,8)(2,6,7,3)(4,5)$$-2$
$24$$4$$(1,3)(2,5,7,4)(6,8)$$0$
$24$$4$$(1,4,8,5)(2,7)$$0$
$48$$4$$(1,4,3,2)(5,6,7,8)$$0$
$32$$6$$(1,3,2,8,6,7)$$1$
$32$$6$$(1,3,2)(4,5)(6,7,8)$$-1$
$32$$6$$(1,3,2,8,6,7)(4,5)$$-1$
$48$$8$$(1,4,3,2,8,5,6,7)$$0$
The blue line marks the conjugacy class containing complex conjugation.