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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
2
and Q=
Dic
17
Direct product G=N×Q with N=
C
2
and Q=
Dic
17
d
ρ
Label
ID
C
2
×Dic
17
136
C2xDic17
136,7
Non-split extensions G=N.Q with N=
C
2
and Q=
Dic
17
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.Dic
17
=
C
17
⋊
3
C
8
central extension (φ=1)
136
2
C2.Dic17
136,1
×
⋊
ℤ
𝔽
○
≀
ℚ
◁