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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
2
2
and Q=
D
29
Direct product G=NxQ with N=
C
2
2
and Q=
D
29
d
ρ
Label
ID
C
2
2
xD
29
116
C2^2xD29
232,13
Semidirect products G=N:Q with N=
C
2
2
and Q=
D
29
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
:D
29
=
C
29
:D
4
φ:
D
29
/
C
29
→
C
2
⊆ Aut
C
2
2
116
2
C2^2:D29
232,8
Non-split extensions G=N.Q with N=
C
2
2
and Q=
D
29
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
.D
29
=
C
2
xDic
29
central extension (φ=1)
232
C2^2.D29
232,7
x
:
Z
F
o
wr
Q
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