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C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
×
⋊
.
○
≀
Extensions
1→N→G→Q→1 with N=
C
3
×S
3
and Q=
C
21
Direct product G=N×Q with N=
C
3
×S
3
and Q=
C
21
d
ρ
Label
ID
S
3
×C
3
×C
21
126
S3xC3xC21
378,54
Non-split extensions G=N.Q with N=
C
3
×S
3
and Q=
C
21
extension
φ:Q→Out N
d
ρ
Label
ID
(C
3
×S
3
).C
21
=
S
3
×C
63
φ: trivial image
126
2
(C3xS3).C21
378,33
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