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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
39
and Q=
C
3
Direct product G=N×Q with N=
C
39
and Q=
C
3
d
ρ
Label
ID
C
3
×C
39
117
C3xC39
117,4
Semidirect products G=N:Q with N=
C
39
and Q=
C
3
extension
φ:Q→Aut N
d
ρ
Label
ID
C
39
⋊C
3
=
C
3
×C
13
⋊C
3
φ:
C
3
/
C
1
→
C
3
⊆ Aut
C
39
39
3
C39:C3
117,3
Non-split extensions G=N.Q with N=
C
39
and Q=
C
3
extension
φ:Q→Aut N
d
ρ
Label
ID
C
39
.C
3
=
C
13
⋊C
9
φ:
C
3
/
C
1
→
C
3
⊆ Aut
C
39
117
3
C39.C3
117,1
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𝔽
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≀
ℚ
◁