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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
6
and Q=
C
9
2
Direct product G=NxQ with N=
C
6
and Q=
C
9
2
d
ρ
Label
ID
C
3
xC
9
xC
18
486
C3xC9xC18
486,190
Non-split extensions G=N.Q with N=
C
6
and Q=
C
9
2
extension
φ:Q→Aut N
d
ρ
Label
ID
C
6
.
1
C
9
2
=
C
2
xC
3
.C
9
2
central extension (φ=1)
486
C6.1C9^2
486,62
C
6
.
2
C
9
2
=
C
2
xC
27
:
2
C
9
central extension (φ=1)
486
C6.2C9^2
486,71
x
:
Z
F
o
wr
Q
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