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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
47
Direct product G=N×Q with N=
C
2
2
and Q=
D
47
d
ρ
Label
ID
C
2
2
×D
47
188
C2^2xD47
376,11
Semidirect products G=N:Q with N=
C
2
2
and Q=
D
47
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
⋊D
47
=
C
47
⋊D
4
φ:
D
47
/
C
47
→
C
2
⊆ Aut
C
2
2
188
2
C2^2:D47
376,7
Non-split extensions G=N.Q with N=
C
2
2
and Q=
D
47
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
.D
47
=
C
2
×Dic
47
central extension (φ=1)
376
C2^2.D47
376,6
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ℚ
◁