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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
3
xS
3
and Q=
C
21
Direct product G=NxQ with N=
C
3
xS
3
and Q=
C
21
d
ρ
Label
ID
S
3
xC
3
xC
21
126
S3xC3xC21
378,54
Non-split extensions G=N.Q with N=
C
3
xS
3
and Q=
C
21
extension
φ:Q→Out N
d
ρ
Label
ID
(C
3
xS
3
).C
21
=
S
3
xC
63
φ: trivial image
126
2
(C3xS3).C21
378,33
x
:
Z
F
o
wr
Q
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