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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
19
and Q=
C
12
Direct product G=NxQ with N=
D
19
and Q=
C
12
d
ρ
Label
ID
C
12
xD
19
228
2
C12xD19
456,25
Semidirect products G=N:Q with N=
D
19
and Q=
C
12
extension
φ:Q→Out N
d
ρ
Label
ID
D
19
:C
12
=
C
4
xC
19
:C
6
φ:
C
12
/
C
4
→
C
3
⊆ Out
D
19
76
6
D19:C12
456,8
x
:
Z
F
o
wr
Q
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