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C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
x
:
.
o
wr
Extensions
1→N→G→Q→1 with N=
C
9
and Q=
C
2
4
Direct product G=NxQ with N=
C
9
and Q=
C
2
4
d
ρ
Label
ID
C
2
3
xC
18
144
C2^3xC18
144,113
Semidirect products G=N:Q with N=
C
9
and Q=
C
2
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
9
:C
2
4
=
C
2
3
xD
9
φ:
C
2
4
/
C
2
3
→
C
2
⊆ Aut
C
9
72
C9:C2^4
144,112
x
:
Z
F
o
wr
Q
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