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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
2
:
4
C
3
and Q=
C
2
Direct product G=NxQ with N=
C
9
2
:
4
C
3
and Q=
C
2
d
ρ
Label
ID
C
2
xC
9
2
:
4
C
3
162
C2xC9^2:4C3
486,203
Semidirect products G=N:Q with N=
C
9
2
:
4
C
3
and Q=
C
2
extension
φ:Q→Out N
d
ρ
Label
ID
C
9
2
:
4
C
3
:C
2
=
C
9
2
:
4
C
6
φ:
C
2
/
C
1
→
C
2
⊆ Out
C
9
2
:
4
C
3
81
C9^2:4C3:C2
486,155
x
:
Z
F
o
wr
Q
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