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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=
D
13
and Q=
D
7
Direct product G=N×Q with N=
D
13
and Q=
D
7
d
ρ
Label
ID
D
7
×D
13
91
4+
D7xD13
364,7
Non-split extensions G=N.Q with N=
D
13
and Q=
D
7
extension
φ:Q→Out N
d
ρ
Label
ID
D
13
.D
7
=
C
91
⋊C
4
φ:
D
7
/
C
7
→
C
2
⊆ Out
D
13
91
4
D13.D7
364,6
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𝔽
○
≀
ℚ
◁