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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
3
×C
9
⋊C
6
and Q=
C
2
Direct product G=N×Q with N=
C
3
×C
9
⋊C
6
and Q=
C
2
d
ρ
Label
ID
C
6
×C
9
⋊C
6
36
6
C6xC9:C6
324,140
Semidirect products G=N:Q with N=
C
3
×C
9
⋊C
6
and Q=
C
2
extension
φ:Q→Out N
d
ρ
Label
ID
(C
3
×C
9
⋊C
6
)⋊C
2
=
S
3
×C
9
⋊C
6
φ:
C
2
/
C
1
→
C
2
⊆ Out
C
3
×C
9
⋊C
6
18
12+
(C3xC9:C6):C2
324,118
×
⋊
ℤ
𝔽
○
≀
ℚ
◁