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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
59
Direct product G=N×Q with N=
C
2
2
and Q=
D
59
d
ρ
Label
ID
C
2
2
×D
59
236
C2^2xD59
472,11
Semidirect products G=N:Q with N=
C
2
2
and Q=
D
59
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
⋊D
59
=
C
59
⋊D
4
φ:
D
59
/
C
59
→
C
2
⊆ Aut
C
2
2
236
2
C2^2:D59
472,7
Non-split extensions G=N.Q with N=
C
2
2
and Q=
D
59
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
.D
59
=
C
2
×Dic
59
central extension (φ=1)
472
C2^2.D59
472,6
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ℚ
◁