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- Point_groups_in_two_dimensions abstract "In geometry, a two-dimensional point group or rosette group is a group of geometric symmetries (isometries) that keep at least one point fixed in a plane. Every such group is a subgroup of the orthogonal group O(2), including O(2) itself. Its elements are rotations and reflections, and every such group containing only rotations is a subgroup of the special orthogonal group SO(2), including SO(2) itself. That group is isomorphic to R/Z and the first unitary group, U(1), a group also known as the circle group.The two-dimensional point groups are important as a basis for the axial three-dimensional point groups, with the addition of reflections in the axial coordinate. They are also important in symmetries of organisms, like starfish and jellyfish, and organism parts, like flowers.".
- Point_groups_in_two_dimensions thumbnail Flag_of_Hong_Kong.svg?width=300.
- Point_groups_in_two_dimensions wikiPageExternalLink node9.html.
- Point_groups_in_two_dimensions wikiPageExternalLink handouts04.pdf.
- Point_groups_in_two_dimensions wikiPageExternalLink crystal.pdf.
- Point_groups_in_two_dimensions wikiPageID "3037988".
- Point_groups_in_two_dimensions wikiPageRevisionID "604163937".
- Point_groups_in_two_dimensions hasPhotoCollection Point_groups_in_two_dimensions.
- Point_groups_in_two_dimensions subject Category:Euclidean_symmetries.
- Point_groups_in_two_dimensions subject Category:Group_theory.
- Point_groups_in_two_dimensions type Abstraction100002137.
- Point_groups_in_two_dimensions type Attribute100024264.
- Point_groups_in_two_dimensions type EuclideanSymmetries.
- Point_groups_in_two_dimensions type Property104916342.
- Point_groups_in_two_dimensions type SpatialProperty105062748.
- Point_groups_in_two_dimensions type Symmetry105064827.
- Point_groups_in_two_dimensions comment "In geometry, a two-dimensional point group or rosette group is a group of geometric symmetries (isometries) that keep at least one point fixed in a plane. Every such group is a subgroup of the orthogonal group O(2), including O(2) itself. Its elements are rotations and reflections, and every such group containing only rotations is a subgroup of the special orthogonal group SO(2), including SO(2) itself.".
- Point_groups_in_two_dimensions label "Point groups in two dimensions".
- Point_groups_in_two_dimensions label "Rozet".
- Point_groups_in_two_dimensions sameAs Rozet.
- Point_groups_in_two_dimensions sameAs m.08md2d.
- Point_groups_in_two_dimensions sameAs Q7208208.
- Point_groups_in_two_dimensions sameAs Q7208208.
- Point_groups_in_two_dimensions sameAs Point_groups_in_two_dimensions.
- Point_groups_in_two_dimensions wasDerivedFrom Point_groups_in_two_dimensions?oldid=604163937.
- Point_groups_in_two_dimensions depiction Flag_of_Hong_Kong.svg.
- Point_groups_in_two_dimensions isPrimaryTopicOf Point_groups_in_two_dimensions.
