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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
11
and Q=
C
20
Direct product G=NxQ with N=
D
11
and Q=
C
20
d
ρ
Label
ID
C
20
xD
11
220
2
C20xD11
440,25
Semidirect products G=N:Q with N=
D
11
and Q=
C
20
extension
φ:Q→Out N
d
ρ
Label
ID
D
11
:C
20
=
C
4
xF
11
φ:
C
20
/
C
4
→
C
5
⊆ Out
D
11
44
10
D11:C20
440,8
x
:
Z
F
o
wr
Q
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