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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
28
Direct product G=N×Q with N=
C
2
2
and Q=
C
28
d
ρ
Label
ID
C
2
2
×C
28
112
C2^2xC28
112,37
Semidirect products G=N:Q with N=
C
2
2
and Q=
C
28
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
⋊C
28
=
C
7
×C
2
2
⋊C
4
φ:
C
28
/
C
14
→
C
2
⊆ Aut
C
2
2
56
C2^2:C28
112,20
Non-split extensions G=N.Q with N=
C
2
2
and Q=
C
28
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
.C
28
=
C
7
×M
4
(2)
φ:
C
28
/
C
14
→
C
2
⊆ Aut
C
2
2
56
2
C2^2.C28
112,23
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