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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
3
and Q=
C
3
2
.A
4
Direct product G=NxQ with N=
C
3
and Q=
C
3
2
.A
4
d
ρ
Label
ID
C
3
xC
3
2
.A
4
54
C3xC3^2.A4
324,134
Non-split extensions G=N.Q with N=
C
3
and Q=
C
3
2
.A
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
3
.
1
(C
3
2
.A
4
) =
C
6
2
.
11
C
3
2
central extension (φ=1)
162
C3.1(C3^2.A4)
324,47
C
3
.
2
(C
3
2
.A
4
) =
C
6
2
:C
9
central extension (φ=1)
54
C3.2(C3^2.A4)
324,59
x
:
Z
F
o
wr
Q
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