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C3v Group Operations

operation 1
operation 2
operation 3
The sliders for operations 1, 2, and 3 perform actions of the symmetry group
C
3v
, as indicated by labels above the three arrows. The group
C
3v
is isomorphic with the symmetric group
S
3
and the dihedral group
D
3
. You can explore the results of applying successive operations 1 and 2 of the symmetry group
C
3v
, using tricolored equilateral triangles. The same result can be obtained in a single step using some operation 3. For example, the operation
C
3
followed by
σ
1
gives the same result as the operation
σ
2
. In standard group theory notation, this is written right-to-left as the symbolic product
σ
1
C
3
=
σ
2
. Note that
C
3
σ
1
=
σ
3
, showing that symmetry operations do not, in general, commute.
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