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
2
and Q=
C
9
xA
4
Direct product G=NxQ with N=
C
2
and Q=
C
9
xA
4
d
ρ
Label
ID
A
4
xC
18
54
3
A4xC18
216,103
Non-split extensions G=N.Q with N=
C
2
and Q=
C
9
xA
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(C
9
xA
4
) =
C
9
xSL
2
(
F
3
)
central stem extension (φ=1)
72
2
C2.(C9xA4)
216,38
x
:
Z
F
o
wr
Q
<