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C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
×
⋊
.
○
≀
Extensions
1→N→G→Q→1 with N=
C
31
and Q=
C
2
×C
4
Direct product G=N×Q with N=
C
31
and Q=
C
2
×C
4
d
ρ
Label
ID
C
2
×C
124
248
C2xC124
248,8
Semidirect products G=N:Q with N=
C
31
and Q=
C
2
×C
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
31
⋊
1
(C
2
×C
4
) =
C
4
×D
31
φ:
C
2
×C
4
/
C
4
→
C
2
⊆ Aut
C
31
124
2
C31:1(C2xC4)
248,4
C
31
⋊
2
(C
2
×C
4
) =
C
2
×Dic
31
φ:
C
2
×C
4
/
C
2
2
→
C
2
⊆ Aut
C
31
248
C31:2(C2xC4)
248,6
×
⋊
ℤ
𝔽
○
≀
ℚ
◁