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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
2
.S
5
Direct product G=N×Q with N=
C
2
and Q=
C
2
.S
5
d
ρ
Label
ID
C
2
×C
2
.S
5
80
C2xC2.S5
480,950
Non-split extensions G=N.Q with N=
C
2
and Q=
C
2
.S
5
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(C
2
.S
5
) =
C
2
2
.
2
S
5
central extension (φ=1)
96
C2.(C2.S5)
480,219
×
⋊
ℤ
𝔽
○
≀
ℚ
◁