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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
21
and Q=
C
2
Direct product G=NxQ with N=
D
21
and Q=
C
2
d
ρ
Label
ID
D
42
42
2+
D42
84,14
Semidirect products G=N:Q with N=
D
21
and Q=
C
2
extension
φ:Q→Out N
d
ρ
Label
ID
D
21
:C
2
=
S
3
xD
7
φ:
C
2
/
C
1
→
C
2
⊆ Out
D
21
21
4+
D21:C2
84,8
x
:
Z
F
o
wr
Q
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