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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=
F
9
Direct product G=NxQ with N=
C
2
and Q=
F
9
d
ρ
Label
ID
C
2
xF
9
18
8+
C2xF9
144,185
Non-split extensions G=N.Q with N=
C
2
and Q=
F
9
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.F
9
=
C
2
.F
9
central extension (φ=1)
48
8-
C2.F9
144,114
x
:
Z
F
o
wr
Q
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