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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
30
and Q=
C
3
2
Direct product G=N×Q with N=
C
30
and Q=
C
3
2
d
ρ
Label
ID
C
3
2
×C
30
270
C3^2xC30
270,30
Non-split extensions G=N.Q with N=
C
30
and Q=
C
3
2
extension
φ:Q→Aut N
d
ρ
Label
ID
C
30
.
1
C
3
2
=
C
10
×He
3
central extension (φ=1)
90
3
C30.1C3^2
270,21
C
30
.
2
C
3
2
=
C
10
×3
-
1+2
central extension (φ=1)
90
3
C30.2C3^2
270,22
×
⋊
ℤ
𝔽
○
≀
ℚ
◁