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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
C
3
⋊S
3
×C
21
126
C3:S3xC21
378,56
Semidirect products 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
=
C
7
×C
3
2
⋊C
6
φ:
C
21
/
C
7
→
C
3
⊆ Out
C
3
⋊S
3
63
6
C3:S3:C21
378,34
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◁