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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=
D
37
Direct product G=N×Q with N=
C
2
2
and Q=
D
37
d
ρ
Label
ID
C
2
2
×D
37
148
C2^2xD37
296,13
Semidirect products G=N:Q with N=
C
2
2
and Q=
D
37
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
⋊D
37
=
C
37
⋊D
4
φ:
D
37
/
C
37
→
C
2
⊆ Aut
C
2
2
148
2
C2^2:D37
296,8
Non-split extensions G=N.Q with N=
C
2
2
and Q=
D
37
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
.D
37
=
C
2
×Dic
37
central extension (φ=1)
296
C2^2.D37
296,7
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ℚ
◁