Galois orbit of Artin representations 1.2e5_3.8t1.1

• Label: 1.2e5_3.8t1.1
• Dimension: 1
• Group: $C_8$
• Conductor: $ 2^{5} \cdot 3 $
• Frobenius-Schur indicator: 0

Basic invariants

Dimension:	$1$
Group:	$C_8$
Conductor:	$96= 2^{5} \cdot 3 $
Artin number field:	Splitting field of $f= x^{8} - 24 x^{6} + 180 x^{4} - 432 x^{2} + 162 $ over $\Q$
Size of Galois orbit:	4
Smallest containing permutation representation:	$C_8$
Parity:	Even

Galois action

Roots of defining polynomial

The roots of $f$ are computed in $\Q_{ 79 }$ to precision 5.

Roots:

$r_{ 1 }$	$=$	$ 9 + 9\cdot 79 + 15\cdot 79^{2} + 58\cdot 79^{3} + 66\cdot 79^{4} +O\left(79^{ 5 }\right)$
$r_{ 2 }$	$=$	$ 19 + 43\cdot 79 + 15\cdot 79^{2} + 69\cdot 79^{3} + 8\cdot 79^{4} +O\left(79^{ 5 }\right)$
$r_{ 3 }$	$=$	$ 21 + 6\cdot 79 + 67\cdot 79^{2} + 46\cdot 79^{3} + 57\cdot 79^{4} +O\left(79^{ 5 }\right)$
$r_{ 4 }$	$=$	$ 22 + 59\cdot 79 + 36\cdot 79^{2} + 39\cdot 79^{3} + 45\cdot 79^{4} +O\left(79^{ 5 }\right)$
$r_{ 5 }$	$=$	$ 57 + 19\cdot 79 + 42\cdot 79^{2} + 39\cdot 79^{3} + 33\cdot 79^{4} +O\left(79^{ 5 }\right)$
$r_{ 6 }$	$=$	$ 58 + 72\cdot 79 + 11\cdot 79^{2} + 32\cdot 79^{3} + 21\cdot 79^{4} +O\left(79^{ 5 }\right)$
$r_{ 7 }$	$=$	$ 60 + 35\cdot 79 + 63\cdot 79^{2} + 9\cdot 79^{3} + 70\cdot 79^{4} +O\left(79^{ 5 }\right)$
$r_{ 8 }$	$=$	$ 70 + 69\cdot 79 + 63\cdot 79^{2} + 20\cdot 79^{3} + 12\cdot 79^{4} +O\left(79^{ 5 }\right)$

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

Cycle notation

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

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

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

Character values on conjugacy classes

Size	Order	Action on $r_1, \ldots, r_{ 8 }$	Character values
			$c1$	$c2$	$c3$	$c4$
$1$	$1$	$()$	$1$	$1$	$1$	$1$
$1$	$2$	$(1,8)(2,7)(3,6)(4,5)$	$-1$	$-1$	$-1$	$-1$
$1$	$4$	$(1,4,8,5)(2,6,7,3)$	$\zeta_{8}^{2}$	$-\zeta_{8}^{2}$	$\zeta_{8}^{2}$	$-\zeta_{8}^{2}$
$1$	$4$	$(1,5,8,4)(2,3,7,6)$	$-\zeta_{8}^{2}$	$\zeta_{8}^{2}$	$-\zeta_{8}^{2}$	$\zeta_{8}^{2}$
$1$	$8$	$(1,7,4,3,8,2,5,6)$	$\zeta_{8}$	$\zeta_{8}^{3}$	$-\zeta_{8}$	$-\zeta_{8}^{3}$
$1$	$8$	$(1,3,5,7,8,6,4,2)$	$\zeta_{8}^{3}$	$\zeta_{8}$	$-\zeta_{8}^{3}$	$-\zeta_{8}$
$1$	$8$	$(1,2,4,6,8,7,5,3)$	$-\zeta_{8}$	$-\zeta_{8}^{3}$	$\zeta_{8}$	$\zeta_{8}^{3}$
$1$	$8$	$(1,6,5,2,8,3,4,7)$	$-\zeta_{8}^{3}$	$-\zeta_{8}$	$\zeta_{8}^{3}$	$\zeta_{8}$

The blue line marks the conjugacy class containing complex conjugation.