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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
4
×C
12
and Q=
C
3
Direct product G=N×Q with N=
C
4
×C
12
and Q=
C
3
d
ρ
Label
ID
C
12
2
144
C12^2
144,101
Semidirect products G=N:Q with N=
C
4
×C
12
and Q=
C
3
extension
φ:Q→Aut N
d
ρ
Label
ID
(C
4
×C
12
)⋊C
3
=
C
3
×C
4
2
⋊C
3
φ:
C
3
/
C
1
→
C
3
⊆ Aut
C
4
×C
12
36
3
(C4xC12):C3
144,68
Non-split extensions G=N.Q with N=
C
4
×C
12
and Q=
C
3
extension
φ:Q→Aut N
d
ρ
Label
ID
(C
4
×C
12
).C
3
=
C
4
2
⋊C
9
φ:
C
3
/
C
1
→
C
3
⊆ Aut
C
4
×C
12
36
3
(C4xC12).C3
144,3
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