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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
2
and Q=
C
3
2
×C
9
Direct product G=N×Q with N=
C
2
2
and Q=
C
3
2
×C
9
d
ρ
Label
ID
C
3
×C
6
×C
18
324
C3xC6xC18
324,151
Semidirect products G=N:Q with N=
C
2
2
and Q=
C
3
2
×C
9
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
⋊
1
(C
3
2
×C
9
) =
A
4
×C
3
×C
9
φ:
C
3
2
×C
9
/
C
3
×C
9
→
C
3
⊆ Aut
C
2
2
108
C2^2:1(C3^2xC9)
324,126
C
2
2
⋊
2
(C
3
2
×C
9
) =
C
3
2
×C
3
.A
4
φ:
C
3
2
×C
9
/
C
3
3
→
C
3
⊆ Aut
C
2
2
162
C2^2:2(C3^2xC9)
324,133
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