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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
15
and Q=
3
-
1+2
Direct product G=NxQ with N=
C
15
and Q=
3
-
1+2
d
ρ
Label
ID
C
15
x3
-
1+2
135
C15xES-(3,1)
405,13
Non-split extensions G=N.Q with N=
C
15
and Q=
3
-
1+2
extension
φ:Q→Aut N
d
ρ
Label
ID
C
15
.
1
3
-
1+2
=
C
5
xC
3
2
:C
9
central extension (φ=1)
135
C15.1ES-(3,1)
405,3
C
15
.
2
3
-
1+2
=
C
5
xC
9
:C
9
central extension (φ=1)
405
C15.2ES-(3,1)
405,4
x
:
Z
F
o
wr
Q
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