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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
12
Direct product G=N×Q with N=
C
2
and Q=
Dic
12
d
ρ
Label
ID
C
2
×Dic
12
96
C2xDic12
96,112
Non-split extensions G=N.Q with N=
C
2
and Q=
Dic
12
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.
1
Dic
12
=
C
2
.Dic
12
central extension (φ=1)
96
C2.1Dic12
96,23
C
2
.
2
Dic
12
=
C
24
⋊
1
C
4
central extension (φ=1)
96
C2.2Dic12
96,25
×
⋊
ℤ
𝔽
○
≀
ℚ
◁