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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=
C
9
⋊C
6
Direct product G=N×Q with N=
C
2
and Q=
C
9
⋊C
6
d
ρ
Label
ID
C
2
×C
9
⋊C
6
18
6+
C2xC9:C6
108,26
Non-split extensions G=N.Q with N=
C
2
and Q=
C
9
⋊C
6
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(C
9
⋊C
6
) =
C
9
⋊C
12
central extension (φ=1)
36
6-
C2.(C9:C6)
108,9
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ℤ
𝔽
○
≀
ℚ
◁