Properties

Label 2.2e2_997.3t2.1
Dimension 2
Group $S_3$
Conductor $ 2^{2} \cdot 997 $
Frobenius-Schur indicator 1

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Basic invariants

Dimension:$2$
Group:$S_3$
Conductor:$3988= 2^{2} \cdot 997 $
Artin number field: Splitting field of $f= x^{3} - 16 x - 4 $ over $\Q$
Size of Galois orbit: 1
Smallest containing permutation representation: $S_3$
Parity: Even

Galois action

Roots of defining polynomial

The roots of $f$ are computed in $\Q_{ 19 }$ to precision 5.
Roots:
$r_{ 1 }$ $=$ $ 1 + 16\cdot 19 + 10\cdot 19^{2} + 10\cdot 19^{3} + 15\cdot 19^{4} +O\left(19^{ 5 }\right)$
$r_{ 2 }$ $=$ $ 8 + 15\cdot 19 + 13\cdot 19^{2} + 4\cdot 19^{3} + 18\cdot 19^{4} +O\left(19^{ 5 }\right)$
$r_{ 3 }$ $=$ $ 10 + 6\cdot 19 + 13\cdot 19^{2} + 3\cdot 19^{3} + 4\cdot 19^{4} +O\left(19^{ 5 }\right)$

Generators of the action on the roots $ r_{ 1 }, r_{ 2 }, r_{ 3 } $

Cycle notation
$(1,2,3)$
$(1,2)$

Character values on conjugacy classes

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