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About
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=
C
78
Direct product G=NxQ with N=
C
2
2
and Q=
C
78
d
ρ
Label
ID
C
2
2
xC
78
312
C2^2xC78
312,61
Semidirect products G=N:Q with N=
C
2
2
and Q=
C
78
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
:C
78
=
A
4
xC
26
φ:
C
78
/
C
26
→
C
3
⊆ Aut
C
2
2
78
3
C2^2:C78
312,56
C
2
2
:
2
C
78
=
D
4
xC
39
φ:
C
78
/
C
39
→
C
2
⊆ Aut
C
2
2
156
2
C2^2:2C78
312,43
x
:
Z
F
o
wr
Q
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