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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
xC
10
and Q=
C
9
Direct product G=NxQ with N=
C
2
xC
10
and Q=
C
9
d
ρ
Label
ID
C
2
xC
90
180
C2xC90
180,12
Semidirect products G=N:Q with N=
C
2
xC
10
and Q=
C
9
extension
φ:Q→Aut N
d
ρ
Label
ID
(C
2
xC
10
):C
9
=
C
5
xC
3
.A
4
φ:
C
9
/
C
3
→
C
3
⊆ Aut
C
2
xC
10
90
3
(C2xC10):C9
180,8
x
:
Z
F
o
wr
Q
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