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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
2
3
and Q=
C
3
×C
9
Direct product G=N×Q with N=
C
2
3
and Q=
C
3
×C
9
d
ρ
Label
ID
C
2
×C
6
×C
18
216
C2xC6xC18
216,114
Semidirect products G=N:Q with N=
C
2
3
and Q=
C
3
×C
9
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
3
⋊
1
(C
3
×C
9
) =
A
4
×C
18
φ:
C
3
×C
9
/
C
9
→
C
3
⊆ Aut
C
2
3
54
3
C2^3:1(C3xC9)
216,103
C
2
3
⋊
2
(C
3
×C
9
) =
C
6
×C
3
.A
4
φ:
C
3
×C
9
/
C
3
2
→
C
3
⊆ Aut
C
2
3
54
C2^3:2(C3xC9)
216,105
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