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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
17
and Q=
C
2
2
Direct product G=N×Q with N=
D
17
and Q=
C
2
2
d
ρ
Label
ID
C
2
2
×D
17
68
C2^2xD17
136,14
Non-split extensions G=N.Q with N=
D
17
and Q=
C
2
2
extension
φ:Q→Out N
d
ρ
Label
ID
D
17
.C
2
2
=
C
2
×C
17
⋊C
4
φ:
C
2
2
/
C
2
→
C
2
⊆ Out
D
17
34
4+
D17.C2^2
136,13
×
⋊
ℤ
𝔽
○
≀
ℚ
◁