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
9
2
Direct product G=N×Q with N=
C
2
2
and Q=
C
9
2
d
ρ
Label
ID
C
18
2
324
C18^2
324,81
Semidirect products G=N:Q with N=
C
2
2
and Q=
C
9
2
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
2
⋊C
9
2
=
C
9
×C
3
.A
4
φ:
C
9
2
/
C
3
×C
9
→
C
3
⊆ Aut
C
2
2
162
C2^2:C9^2
324,46
×
⋊
ℤ
𝔽
○
≀
ℚ
◁