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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=
A
4
and Q=
Dic
9
Direct product G=N×Q with N=
A
4
and Q=
Dic
9
d
ρ
Label
ID
A
4
×Dic
9
108
6-
A4xDic9
432,266
Semidirect products G=N:Q with N=
A
4
and Q=
Dic
9
extension
φ:Q→Out N
d
ρ
Label
ID
A
4
⋊Dic
9
=
A
4
⋊Dic
9
φ:
Dic
9
/
C
18
→
C
2
⊆ Out
A
4
108
6-
A4:Dic9
432,254
×
⋊
ℤ
𝔽
○
≀
ℚ
◁