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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
9
and Q=
S
4
Direct product G=NxQ with N=
C
9
and Q=
S
4
d
ρ
Label
ID
C
9
xS
4
36
3
C9xS4
216,89
Semidirect products G=N:Q with N=
C
9
and Q=
S
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
9
:S
4
=
C
9
:S
4
φ:
S
4
/
A
4
→
C
2
⊆ Aut
C
9
36
6+
C9:S4
216,93
Non-split extensions G=N.Q with N=
C
9
and Q=
S
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
9
.S
4
=
C
9
.S
4
φ:
S
4
/
A
4
→
C
2
⊆ Aut
C
9
54
6+
C9.S4
216,21
x
:
Z
F
o
wr
Q
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