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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
and Q=
Dic
7
Direct product G=NxQ with N=
C
3
and Q=
Dic
7
d
ρ
Label
ID
C
3
xDic
7
84
2
C3xDic7
84,4
Semidirect products G=N:Q with N=
C
3
and Q=
Dic
7
extension
φ:Q→Aut N
d
ρ
Label
ID
C
3
:Dic
7
=
Dic
21
φ:
Dic
7
/
C
14
→
C
2
⊆ Aut
C
3
84
2-
C3:Dic7
84,5
x
:
Z
F
o
wr
Q
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