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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
4
and Q=
C
2
4
⋊C
5
Direct product G=N×Q with N=
C
4
and Q=
C
2
4
⋊C
5
d
ρ
Label
ID
C
4
×C
2
4
⋊C
5
20
5
C4xC2^4:C5
320,1584
Non-split extensions G=N.Q with N=
C
4
and Q=
C
2
4
⋊C
5
extension
φ:Q→Aut N
d
ρ
Label
ID
C
4
.(C
2
4
⋊C
5
) =
2
-
1+4
.C
10
central extension (φ=1)
64
4
C4.(C2^4:C5)
320,1586
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ℚ
◁