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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
21
.C
3
2
and Q=
C
2
Direct product G=N×Q with N=
C
21
.C
3
2
and Q=
C
2
d
ρ
Label
ID
C
2
×C
21
.C
3
2
126
3
C2xC21.C3^2
378,27
Semidirect products G=N:Q with N=
C
21
.C
3
2
and Q=
C
2
extension
φ:Q→Out N
d
ρ
Label
ID
C
21
.C
3
2
⋊C
2
=
C
3
2
.F
7
φ:
C
2
/
C
1
→
C
2
⊆ Out
C
21
.C
3
2
63
6
C21.C3^2:C2
378,11
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⋊
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𝔽
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≀
ℚ
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