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=
C
27
Direct product G=N×Q with N=
C
2
2
and Q=
C
27
d
ρ
Label
ID
C
2
×C
54
108
C2xC54
108,5
Semidirect products G=N:Q with N=
C
2
2
and Q=
C
27
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
⋊C
27
=
C
9
.A
4
φ:
C
27
/
C
9
→
C
3
⊆ Aut
C
2
2
54
3
C2^2:C27
108,3
×
⋊
ℤ
𝔽
○
≀
ℚ
◁