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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
and Q=
C
9
.A
4
Direct product G=N×Q with N=
C
3
and Q=
C
9
.A
4
d
ρ
Label
ID
C
3
×C
9
.A
4
162
C3xC9.A4
324,44
Non-split extensions G=N.Q with N=
C
3
and Q=
C
9
.A
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
3
.(C
9
.A
4
) =
C
27
.A
4
central extension (φ=1)
162
3
C3.(C9.A4)
324,3
×
⋊
ℤ
𝔽
○
≀
ℚ
◁