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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
13
and Q=
D
7
Direct product G=N×Q with N=
C
13
and Q=
D
7
d
ρ
Label
ID
C
13
×D
7
91
2
C13xD7
182,1
Semidirect products G=N:Q with N=
C
13
and Q=
D
7
extension
φ:Q→Aut N
d
ρ
Label
ID
C
13
⋊D
7
=
D
91
φ:
D
7
/
C
7
→
C
2
⊆ Aut
C
13
91
2+
C13:D7
182,3
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⋊
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𝔽
○
≀
ℚ
◁