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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=
D
39
and Q=
C
2
2
Direct product G=NxQ with N=
D
39
and Q=
C
2
2
d
ρ
Label
ID
C
2
2
xD
39
156
C2^2xD39
312,60
Semidirect products G=N:Q with N=
D
39
and Q=
C
2
2
extension
φ:Q→Out N
d
ρ
Label
ID
D
39
:C
2
2
=
C
2
xS
3
xD
13
φ:
C
2
2
/
C
2
→
C
2
⊆ Out
D
39
78
4+
D39:C2^2
312,54
x
:
Z
F
o
wr
Q
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