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
7
⋊C
3
and Q=
C
20
Direct product G=N×Q with N=
C
7
⋊C
3
and Q=
C
20
d
ρ
Label
ID
C
20
×C
7
⋊C
3
140
3
C20xC7:C3
420,4
Semidirect products G=N:Q with N=
C
7
⋊C
3
and Q=
C
20
extension
φ:Q→Out N
d
ρ
Label
ID
C
7
⋊C
3
⋊C
20
=
C
5
×C
7
⋊C
12
φ:
C
20
/
C
10
→
C
2
⊆ Out
C
7
⋊C
3
140
6
C7:C3:C20
420,1
×
⋊
ℤ
𝔽
○
≀
ℚ
◁