Properties

Label 2.2e5_3_31.6t3.5c1
Dimension 2
Group $D_{6}$
Conductor $ 2^{5} \cdot 3 \cdot 31 $
Root number 1
Frobenius-Schur indicator 1

Related objects

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Basic invariants

Dimension:$2$
Group:$D_{6}$
Conductor:$2976= 2^{5} \cdot 3 \cdot 31 $
Artin number field: Splitting field of $f= x^{6} + 6 x^{4} - 80 x^{3} + 9 x^{2} - 240 x - 74 $ over $\Q$
Size of Galois orbit: 1
Smallest containing permutation representation: $D_{6}$
Parity: Odd
Determinant: 1.2e3_3_31.2t1.2c1

Galois action

Roots of defining polynomial

The roots of $f$ are computed in an extension of $\Q_{ 7 }$ to precision 12.
Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 7 }$: $ x^{2} + 6 x + 3 $
Roots:
$r_{ 1 }$ $=$ $ 1 + 6\cdot 7 + 6\cdot 7^{2} + 4\cdot 7^{3} + 2\cdot 7^{4} + 3\cdot 7^{5} + 7^{6} + 2\cdot 7^{7} + 4\cdot 7^{8} + 4\cdot 7^{9} + 7^{10} + 5\cdot 7^{11} +O\left(7^{ 12 }\right)$
$r_{ 2 }$ $=$ $ a + 1 + 2\cdot 7 + 2 a\cdot 7^{2} + 4\cdot 7^{3} + \left(2 a + 6\right)\cdot 7^{4} + \left(3 a + 4\right)\cdot 7^{5} + 5 a\cdot 7^{6} + \left(3 a + 2\right)\cdot 7^{7} + \left(3 a + 4\right)\cdot 7^{8} + \left(3 a + 5\right)\cdot 7^{9} + \left(6 a + 4\right)\cdot 7^{10} + a\cdot 7^{11} +O\left(7^{ 12 }\right)$
$r_{ 3 }$ $=$ $ 3 a + 5 + 2 a\cdot 7 + \left(6 a + 5\right)\cdot 7^{2} + \left(5 a + 4\right)\cdot 7^{3} + a\cdot 7^{4} + \left(6 a + 3\right)\cdot 7^{5} + \left(5 a + 6\right)\cdot 7^{6} + \left(4 a + 2\right)\cdot 7^{7} + \left(4 a + 1\right)\cdot 7^{8} + \left(4 a + 1\right)\cdot 7^{9} + \left(4 a + 6\right)\cdot 7^{10} + 4 a\cdot 7^{11} +O\left(7^{ 12 }\right)$
$r_{ 4 }$ $=$ $ 4 a + 1 + 4 a\cdot 7 + 2\cdot 7^{2} + \left(a + 4\right)\cdot 7^{3} + \left(5 a + 3\right)\cdot 7^{4} + \left(a + 6\right)\cdot 7^{6} + \left(2 a + 1\right)\cdot 7^{7} + \left(2 a + 1\right)\cdot 7^{8} + \left(2 a + 1\right)\cdot 7^{9} + \left(2 a + 6\right)\cdot 7^{10} + 2 a\cdot 7^{11} +O\left(7^{ 12 }\right)$
$r_{ 5 }$ $=$ $ 4 + 3\cdot 7 + 4\cdot 7^{2} + 6\cdot 7^{4} + 2\cdot 7^{5} + 3\cdot 7^{6} + 4\cdot 7^{7} + 5\cdot 7^{8} + 2\cdot 7^{9} + 7^{10} + 3\cdot 7^{11} +O\left(7^{ 12 }\right)$
$r_{ 6 }$ $=$ $ 6 a + 2 + \left(6 a + 1\right)\cdot 7 + \left(4 a + 2\right)\cdot 7^{2} + \left(6 a + 2\right)\cdot 7^{3} + \left(4 a + 1\right)\cdot 7^{4} + \left(3 a + 6\right)\cdot 7^{5} + \left(a + 2\right)\cdot 7^{6} + 3 a\cdot 7^{7} + \left(3 a + 4\right)\cdot 7^{8} + \left(3 a + 5\right)\cdot 7^{9} + \left(5 a + 3\right)\cdot 7^{11} +O\left(7^{ 12 }\right)$

Generators of the action on the roots $r_1, \ldots, r_{ 6 }$

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

Character values on conjugacy classes

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