Go
Home
About
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
43
Direct product G=N×Q with N=
C
2
2
and Q=
D
43
d
ρ
Label
ID
C
2
2
×D
43
172
C2^2xD43
344,11
Semidirect products G=N:Q with N=
C
2
2
and Q=
D
43
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
⋊D
43
=
C
43
⋊D
4
φ:
D
43
/
C
43
→
C
2
⊆ Aut
C
2
2
172
2
C2^2:D43
344,7
Non-split extensions G=N.Q with N=
C
2
2
and Q=
D
43
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
.D
43
=
C
2
×Dic
43
central extension (φ=1)
344
C2^2.D43
344,6
×
⋊
ℤ
𝔽
○
≀
ℚ
◁