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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
3
and Q=
C
72
Direct product G=N×Q with N=
C
3
and Q=
C
72
d
ρ
Label
ID
C
3
×C
72
216
C3xC72
216,18
Semidirect products G=N:Q with N=
C
3
and Q=
C
72
extension
φ:Q→Aut N
d
ρ
Label
ID
C
3
⋊C
72
=
C
9
×C
3
⋊C
8
φ:
C
72
/
C
36
→
C
2
⊆ Aut
C
3
72
2
C3:C72
216,13
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⋊
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𝔽
○
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ℚ
◁