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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
7
:C
3
and Q=
D
9
Direct product G=NxQ with N=
C
7
:C
3
and Q=
D
9
d
ρ
Label
ID
D
9
xC
7
:C
3
63
6
D9xC7:C3
378,15
Semidirect products G=N:Q with N=
C
7
:C
3
and Q=
D
9
extension
φ:Q→Out N
d
ρ
Label
ID
C
7
:C
3
:D
9
=
C
9
:
5
F
7
φ:
D
9
/
C
9
→
C
2
⊆ Out
C
7
:C
3
63
6+
C7:C3:D9
378,20
x
:
Z
F
o
wr
Q
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