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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=
D
9
and Q=
C
3
xC
9
Direct product G=NxQ with N=
D
9
and Q=
C
3
xC
9
d
ρ
Label
ID
D
9
xC
3
xC
9
54
D9xC3xC9
486,91
Semidirect products G=N:Q with N=
D
9
and Q=
C
3
xC
9
extension
φ:Q→Out N
d
ρ
Label
ID
D
9
:
1
(C
3
xC
9
) =
C
9
xC
9
:C
6
φ:
C
3
xC
9
/
C
9
→
C
3
⊆ Out
D
9
54
6
D9:1(C3xC9)
486,100
D
9
:
2
(C
3
xC
9
) =
C
3
xC
9
:C
18
φ:
C
3
xC
9
/
C
3
2
→
C
3
⊆ Out
D
9
54
D9:2(C3xC9)
486,96
x
:
Z
F
o
wr
Q
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