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
11
and Q=
D
21
Direct product G=N×Q with N=
C
11
and Q=
D
21
d
ρ
Label
ID
C
11
×D
21
231
2
C11xD21
462,10
Semidirect products G=N:Q with N=
C
11
and Q=
D
21
extension
φ:Q→Aut N
d
ρ
Label
ID
C
11
⋊D
21
=
D
231
φ:
D
21
/
C
21
→
C
2
⊆ Aut
C
11
231
2+
C11:D21
462,11
×
⋊
ℤ
𝔽
○
≀
ℚ
◁