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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
×Dic
11
Direct product G=N×Q with N=
C
2
and Q=
C
5
×Dic
11
d
ρ
Label
ID
C
10
×Dic
11
440
C10xDic11
440,27
Non-split extensions G=N.Q with N=
C
2
and Q=
C
5
×Dic
11
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(C
5
×Dic
11
) =
C
5
×C
11
⋊C
8
central extension (φ=1)
440
2
C2.(C5xDic11)
440,4
×
⋊
ℤ
𝔽
○
≀
ℚ
◁