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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
9
and Q=
C
2
×C
12
Direct product G=N×Q with N=
D
9
and Q=
C
2
×C
12
d
ρ
Label
ID
D
9
×C
2
×C
12
144
D9xC2xC12
432,342
Semidirect products G=N:Q with N=
D
9
and Q=
C
2
×C
12
extension
φ:Q→Out N
d
ρ
Label
ID
D
9
⋊(C
2
×C
12
) =
C
2
×C
4
×C
9
⋊C
6
φ:
C
2
×C
12
/
C
2
×C
4
→
C
3
⊆ Out
D
9
72
D9:(C2xC12)
432,353
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𝔽
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ℚ
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