Go
Home
About
C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
x
:
.
o
wr
Extensions
1→N→G→Q→1 with N=
D
27
and Q=
C
9
Direct product G=NxQ with N=
D
27
and Q=
C
9
d
ρ
Label
ID
C
9
xD
27
54
2
C9xD27
486,13
Semidirect products G=N:Q with N=
D
27
and Q=
C
9
extension
φ:Q→Out N
d
ρ
Label
ID
D
27
:C
9
=
C
27
:C
18
φ:
C
9
/
C
1
→
C
9
⊆ Out
D
27
27
18+
D27:C9
486,31
D
27
:
2
C
9
=
C
27
:
3
C
18
φ:
C
9
/
C
3
→
C
3
⊆ Out
D
27
54
6
D27:2C9
486,15
x
:
Z
F
o
wr
Q
<