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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=
C
2
and Q=
Q
8
.C
18
Direct product G=NxQ with N=
C
2
and Q=
Q
8
.C
18
d
ρ
Label
ID
C
2
xQ
8
.C
18
144
C2xQ8.C18
288,347
Non-split extensions G=N.Q with N=
C
2
and Q=
Q
8
.C
18
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(Q
8
.C
18
) =
C
4
xQ
8
:C
9
central extension (φ=1)
288
C2.(Q8.C18)
288,72
x
:
Z
F
o
wr
Q
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