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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
5
×C
4
.A
4
Direct product G=N×Q with N=
C
2
and Q=
C
5
×C
4
.A
4
d
ρ
Label
ID
C
10
×C
4
.A
4
160
C10xC4.A4
480,1130
Non-split extensions G=N.Q with N=
C
2
and Q=
C
5
×C
4
.A
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(C
5
×C
4
.A
4
) =
C
20
×SL
2
(𝔽
3
)
central extension (φ=1)
160
C2.(C5xC4.A4)
480,655
×
⋊
ℤ
𝔽
○
≀
ℚ
◁