Properties

Label 2.891.6t3.a
Dimension $2$
Group $D_{6}$
Conductor $891$
Indicator $1$

Related objects

Downloads

Learn more

Basic invariants

Dimension:$2$
Group:$D_{6}$
Conductor:\(891\)\(\medspace = 3^{4} \cdot 11 \)
Frobenius-Schur indicator: $1$
Root number: $1$
Artin number field: Galois closure of 6.0.2381643.1
Galois orbit size: $1$
Smallest permutation container: $D_{6}$
Parity: odd
Projective image: $S_3$
Projective field: Galois closure of 3.1.891.1

Galois action

Roots of defining polynomial

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

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

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

Character values on conjugacy classes

SizeOrderAction on $r_1, \ldots, r_{ 6 }$ Character values
$c1$
$1$ $1$ $()$ $2$
$1$ $2$ $(1,3)(2,4)(5,6)$ $-2$
$3$ $2$ $(1,2)(3,4)$ $0$
$3$ $2$ $(1,4)(2,3)(5,6)$ $0$
$2$ $3$ $(1,5,2)(3,6,4)$ $-1$
$2$ $6$ $(1,6,2,3,5,4)$ $1$
The blue line marks the conjugacy class containing complex conjugation.