Go
Home
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
45
and Q=
C
2
Direct product G=NxQ with N=
C
45
and Q=
C
2
d
ρ
Label
ID
C
90
90
1
C90
90,4
Semidirect products G=N:Q with N=
C
45
and Q=
C
2
extension
φ:Q→Aut N
d
ρ
Label
ID
C
45
:
1
C
2
=
D
45
φ:
C
2
/
C
1
→
C
2
⊆ Aut
C
45
45
2+
C45:1C2
90,3
C
45
:
2
C
2
=
C
5
xD
9
φ:
C
2
/
C
1
→
C
2
⊆ Aut
C
45
45
2
C45:2C2
90,1
C
45
:
3
C
2
=
C
9
xD
5
φ:
C
2
/
C
1
→
C
2
⊆ Aut
C
45
45
2
C45:3C2
90,2
x
:
Z
F
o
wr
Q
<