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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
2
2
and Q=
C
123
Direct product G=N×Q with N=
C
2
2
and Q=
C
123
d
ρ
Label
ID
C
2
×C
246
492
C2xC246
492,12
Semidirect products G=N:Q with N=
C
2
2
and Q=
C
123
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
⋊C
123
=
A
4
×C
41
φ:
C
123
/
C
41
→
C
3
⊆ Aut
C
2
2
164
3
C2^2:C123
492,8
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⋊
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𝔽
○
≀
ℚ
◁