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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
9
⋊S
3
and Q=
C
4
Direct product G=N×Q with N=
C
9
⋊S
3
and Q=
C
4
d
ρ
Label
ID
C
4
×C
9
⋊S
3
108
C4xC9:S3
216,64
Semidirect products G=N:Q with N=
C
9
⋊S
3
and Q=
C
4
extension
φ:Q→Out N
d
ρ
Label
ID
C
9
⋊S
3
⋊C
4
=
C
18
.D
6
φ:
C
4
/
C
2
→
C
2
⊆ Out
C
9
⋊S
3
36
4+
C9:S3:C4
216,28
×
⋊
ℤ
𝔽
○
≀
ℚ
◁