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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
⋊
4
D
9
Direct product G=N×Q with N=
C
2
and Q=
C
3
2
⋊
4
D
9
d
ρ
Label
ID
C
2
×C
3
2
⋊
4
D
9
162
C2xC3^2:4D9
324,149
Non-split extensions G=N.Q with N=
C
2
and Q=
C
3
2
⋊
4
D
9
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(C
3
2
⋊
4
D
9
) =
C
3
2
⋊
5
Dic
9
central extension (φ=1)
324
C2.(C3^2:4D9)
324,103
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ℤ
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≀
ℚ
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