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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=
D
5
×C
15
Direct product G=N×Q with N=
C
2
and Q=
D
5
×C
15
d
ρ
Label
ID
D
5
×C
30
60
2
D5xC30
300,44
Non-split extensions G=N.Q with N=
C
2
and Q=
D
5
×C
15
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(D
5
×C
15
) =
C
15
×Dic
5
central extension (φ=1)
60
2
C2.(D5xC15)
300,16
×
⋊
ℤ
𝔽
○
≀
ℚ
◁