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About
C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
×
⋊
.
○
≀
Extensions
1→N→G→Q→1 with N=
C
5
and Q=
C
78
Direct product G=N×Q with N=
C
5
and Q=
C
78
d
ρ
Label
ID
C
390
390
1
C390
390,12
Semidirect products G=N:Q with N=
C
5
and Q=
C
78
extension
φ:Q→Aut N
d
ρ
Label
ID
C
5
⋊C
78
=
D
5
×C
39
φ:
C
78
/
C
39
→
C
2
⊆ Aut
C
5
195
2
C5:C78
390,6
×
⋊
ℤ
𝔽
○
≀
ℚ
◁