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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
12
and Q=
C
3
2
Direct product G=N×Q with N=
C
12
and Q=
C
3
2
d
ρ
Label
ID
C
3
2
×C
12
108
C3^2xC12
108,35
Non-split extensions G=N.Q with N=
C
12
and Q=
C
3
2
extension
φ:Q→Aut N
d
ρ
Label
ID
C
12
.
1
C
3
2
=
C
4
×He
3
central extension (φ=1)
36
3
C12.1C3^2
108,13
C
12
.
2
C
3
2
=
C
4
×3
-
1+2
central extension (φ=1)
36
3
C12.2C3^2
108,14
×
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𝔽
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ℚ
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