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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
and Q=
C
3
2
×D
9
Direct product G=N×Q with N=
C
2
and Q=
C
3
2
×D
9
d
ρ
Label
ID
D
9
×C
3
×C
6
108
D9xC3xC6
324,136
Non-split extensions G=N.Q with N=
C
2
and Q=
C
3
2
×D
9
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(C
3
2
×D
9
) =
C
3
2
×Dic
9
central extension (φ=1)
108
C2.(C3^2xD9)
324,90
×
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ℤ
𝔽
○
≀
ℚ
◁