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=
C
3
and Q=
C
7
xD
9
Direct product G=NxQ with N=
C
3
and Q=
C
7
xD
9
d
ρ
Label
ID
D
9
xC
21
126
2
D9xC21
378,32
Semidirect products G=N:Q with N=
C
3
and Q=
C
7
xD
9
extension
φ:Q→Aut N
d
ρ
Label
ID
C
3
:(C
7
xD
9
) =
C
7
xC
9
:S
3
φ:
C
7
xD
9
/
C
63
→
C
2
⊆ Aut
C
3
189
C3:(C7xD9)
378,40
Non-split extensions G=N.Q with N=
C
3
and Q=
C
7
xD
9
extension
φ:Q→Aut N
d
ρ
Label
ID
C
3
.(C
7
xD
9
) =
C
7
xD
27
φ:
C
7
xD
9
/
C
63
→
C
2
⊆ Aut
C
3
189
2
C3.(C7xD9)
378,3
x
:
Z
F
o
wr
Q
<