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C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
×
⋊
.
○
≀
Extensions
1→N→G→Q→1 with N=
C
6
and Q=
C
3
2
Direct product G=N×Q with N=
C
6
and Q=
C
3
2
d
ρ
Label
ID
C
3
2
×C
6
54
C3^2xC6
54,15
Non-split extensions G=N.Q with N=
C
6
and Q=
C
3
2
extension
φ:Q→Aut N
d
ρ
Label
ID
C
6
.
1
C
3
2
=
C
2
×He
3
central extension (φ=1)
18
3
C6.1C3^2
54,10
C
6
.
2
C
3
2
=
C
2
×3
-
1+2
central extension (φ=1)
18
3
C6.2C3^2
54,11
×
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ℤ
𝔽
○
≀
ℚ
◁