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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
and Q=
C
2
3
⋊C
4
Direct product G=N×Q with N=
C
9
and Q=
C
2
3
⋊C
4
d
ρ
Label
ID
C
9
×C
2
3
⋊C
4
72
4
C9xC2^3:C4
288,49
Semidirect products G=N:Q with N=
C
9
and Q=
C
2
3
⋊C
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
9
⋊
1
(C
2
3
⋊C
4
) =
C
2
2
.D
36
φ:
C
2
3
⋊C
4
/
C
2
2
⋊C
4
→
C
2
⊆ Aut
C
9
72
4
C9:1(C2^3:C4)
288,13
C
9
⋊
2
(C
2
3
⋊C
4
) =
C
2
3
⋊
2
Dic
9
φ:
C
2
3
⋊C
4
/
C
2
×D
4
→
C
2
⊆ Aut
C
9
72
4
C9:2(C2^3:C4)
288,41
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