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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
13
:A
4
Direct product G=NxQ with N=
C
3
and Q=
C
13
:A
4
d
ρ
Label
ID
C
3
xC
13
:A
4
156
3
C3xC13:A4
468,49
Non-split extensions G=N.Q with N=
C
3
and Q=
C
13
:A
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
3
.(C
13
:A
4
) =
C
39
.A
4
central extension (φ=1)
234
3
C3.(C13:A4)
468,14
x
:
Z
F
o
wr
Q
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