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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=
C
80
Direct product G=NxQ with N=
C
2
2
and Q=
C
80
d
ρ
Label
ID
C
2
2
xC
80
320
C2^2xC80
320,1003
Semidirect products G=N:Q with N=
C
2
2
and Q=
C
80
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
:C
80
=
C
5
xC
2
2
:C
16
φ:
C
80
/
C
40
→
C
2
⊆ Aut
C
2
2
160
C2^2:C80
320,153
Non-split extensions G=N.Q with N=
C
2
2
and Q=
C
80
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
.C
80
=
C
5
xM
6
(2)
φ:
C
80
/
C
40
→
C
2
⊆ Aut
C
2
2
160
2
C2^2.C80
320,175
x
:
Z
F
o
wr
Q
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