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C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
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⋊
.
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≀
Extensions
1→N→G→Q→1 with N=
C
3
and Q=
C
2
4
⋊C
9
Direct product G=N×Q with N=
C
3
and Q=
C
2
4
⋊C
9
d
ρ
Label
ID
C
3
×C
2
4
⋊C
9
108
C3xC2^4:C9
432,553
Non-split extensions G=N.Q with N=
C
3
and Q=
C
2
4
⋊C
9
extension
φ:Q→Aut N
d
ρ
Label
ID
C
3
.(C
2
4
⋊C
9
) =
C
2
4
⋊C
27
central extension (φ=1)
108
C3.(C2^4:C9)
432,226
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ℚ
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