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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=
D
4
⋊D
9
and Q=
C
3
Direct product G=N×Q with N=
D
4
⋊D
9
and Q=
C
3
d
ρ
Label
ID
C
3
×D
4
⋊D
9
72
4
C3xD4:D9
432,149
Semidirect products G=N:Q with N=
D
4
⋊D
9
and Q=
C
3
extension
φ:Q→Out N
d
ρ
Label
ID
D
4
⋊D
9
⋊C
3
=
D
36
⋊C
6
φ:
C
3
/
C
1
→
C
3
⊆ Out
D
4
⋊D
9
72
12+
D4:D9:C3
432,155
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○
≀
ℚ
◁