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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
69
and Q=
C
2
Direct product G=N×Q with N=
C
69
and Q=
C
2
d
ρ
Label
ID
C
138
138
1
C138
138,4
Semidirect products G=N:Q with N=
C
69
and Q=
C
2
extension
φ:Q→Aut N
d
ρ
Label
ID
C
69
⋊
1
C
2
=
D
69
φ:
C
2
/
C
1
→
C
2
⊆ Aut
C
69
69
2+
C69:1C2
138,3
C
69
⋊
2
C
2
=
C
3
×D
23
φ:
C
2
/
C
1
→
C
2
⊆ Aut
C
69
69
2
C69:2C2
138,2
C
69
⋊
3
C
2
=
S
3
×C
23
φ:
C
2
/
C
1
→
C
2
⊆ Aut
C
69
69
2
C69:3C2
138,1
×
⋊
ℤ
𝔽
○
≀
ℚ
◁