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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
27
Direct product G=N×Q with N=
C
2
and Q=
Dic
27
d
ρ
Label
ID
C
2
×Dic
27
216
C2xDic27
216,7
Non-split extensions G=N.Q with N=
C
2
and Q=
Dic
27
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.Dic
27
=
C
27
⋊C
8
central extension (φ=1)
216
2
C2.Dic27
216,1
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ℤ
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○
≀
ℚ
◁