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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
2
and Q=
C
44
Direct product G=N×Q with N=
C
2
2
and Q=
C
44
d
ρ
Label
ID
C
2
2
×C
44
176
C2^2xC44
176,37
Semidirect products G=N:Q with N=
C
2
2
and Q=
C
44
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
⋊C
44
=
C
11
×C
2
2
⋊C
4
φ:
C
44
/
C
22
→
C
2
⊆ Aut
C
2
2
88
C2^2:C44
176,20
Non-split extensions G=N.Q with N=
C
2
2
and Q=
C
44
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
.C
44
=
C
11
×M
4
(2)
φ:
C
44
/
C
22
→
C
2
⊆ Aut
C
2
2
88
2
C2^2.C44
176,23
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