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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
22
and Q=
C
4
Direct product G=N×Q with N=
C
22
and Q=
C
4
d
ρ
Label
ID
C
2
×C
44
88
C2xC44
88,8
Semidirect products G=N:Q with N=
C
22
and Q=
C
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
22
⋊C
4
=
C
2
×Dic
11
φ:
C
4
/
C
2
→
C
2
⊆ Aut
C
22
88
C22:C4
88,6
Non-split extensions G=N.Q with N=
C
22
and Q=
C
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
22
.C
4
=
C
11
⋊C
8
φ:
C
4
/
C
2
→
C
2
⊆ Aut
C
22
88
2
C22.C4
88,1
×
⋊
ℤ
𝔽
○
≀
ℚ
◁