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C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
x
:
.
o
wr
Extensions
1→N→G→Q→1 with N=
He
3
:C
2
and Q=
C
2
Direct product G=NxQ with N=
He
3
:C
2
and Q=
C
2
d
ρ
Label
ID
C
2
xHe
3
:C
2
18
3
C2xHe3:C2
108,28
Semidirect products G=N:Q with N=
He
3
:C
2
and Q=
C
2
extension
φ:Q→Out N
d
ρ
Label
ID
He
3
:C
2
:C
2
=
C
3
2
:D
6
φ:
C
2
/
C
1
→
C
2
⊆ Out
He
3
:C
2
9
6+
He3:C2:C2
108,17
Non-split extensions G=N.Q with N=
He
3
:C
2
and Q=
C
2
extension
φ:Q→Out N
d
ρ
Label
ID
He
3
:C
2
.C
2
=
He
3
:C
4
φ:
C
2
/
C
1
→
C
2
⊆ Out
He
3
:C
2
18
3
He3:C2.C2
108,15
x
:
Z
F
o
wr
Q
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