• In geometry, a point group in three dimensions is an isometry group in three dimensions that leaves the origin fixed, or correspondingly, an isometry...
    60 KB (5,111 words) - 17:13, 25 March 2025
  • In geometry, dihedral symmetry in three dimensions is one of three infinite sequences of point groups in three dimensions which have a symmetry group...
    8 KB (801 words) - 03:50, 14 March 2025
  • Thumbnail for Point group
    181440. Point groups in two dimensions Point groups in three dimensions Point groups in four dimensions Crystallography Crystallographic point group Molecular...
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  • Thumbnail for Point groups in two dimensions
    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...
    14 KB (1,781 words) - 20:12, 25 June 2024
  • Thumbnail for Schoenflies notation
    Schoenflies, is a notation primarily used to specify point groups in three dimensions. Because a point group alone is completely adequate to describe the symmetry...
    12 KB (1,048 words) - 04:07, 7 May 2024
  • Thumbnail for Point groups in four dimensions
    In geometry, a point group in four dimensions is an isometry group in four dimensions that leaves the origin fixed, or correspondingly, an isometry group...
    53 KB (3,562 words) - 18:17, 31 March 2025
  • There are 230 space groups in three dimensions, given by a number index, and a full name in Hermann–Mauguin notation, and a short name (international...
    60 KB (1,195 words) - 05:49, 13 January 2025
  • mirror planes remain unchanged. Molecular symmetry Point group Space group Point groups in three dimensions Crystal system Authier, André (2015). "12. The...
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  • Thumbnail for Polyhedron
    symmetry group of both regular icosahedron and regular dodecahedron and has the order of a hundred-twenty. Point groups in three dimensions may also allow...
    97 KB (10,647 words) - 22:15, 3 April 2025
  • Finite spherical symmetry groups are also called point groups in three dimensions. There are five fundamental symmetry classes which have triangular fundamental...
    19 KB (548 words) - 10:00, 24 February 2024
  • Thumbnail for Cyclic symmetry in three dimensions
    In three dimensional geometry, there are four infinite series of point groups in three dimensions (n≥1) with n-fold rotational or reflectional symmetry...
    6 KB (518 words) - 21:55, 12 December 2023
  • Thumbnail for Molecular symmetry
    table Crystallographic point group Molecular geometry Point groups in three dimensions Symmetry of diatomic molecules Symmetry in quantum mechanics Woodward...
    63 KB (6,384 words) - 09:58, 30 April 2025
  • isometry group is a Lie group. Point group Point groups in two dimensions Point groups in three dimensions Fixed points of isometry groups in Euclidean...
    4 KB (476 words) - 22:18, 4 September 2023
  • In geometry, there exist various rotation formalisms to express a rotation in three dimensions as a mathematical transformation. In physics, this concept...
    56 KB (9,999 words) - 16:42, 17 April 2025
  • Thumbnail for Hermann–Mauguin notation
    In geometry, Hermann–Mauguin notation is used to represent the symmetry elements in point groups, plane groups and space groups. It is named after the...
    22 KB (2,241 words) - 05:55, 29 October 2024
  • Thumbnail for Orthogonal group
    studied – see point groups in three dimensions, polyhedral groups, and list of spherical symmetry groups. In 2 dimensions, the finite groups are either cyclic...
    56 KB (7,881 words) - 20:44, 2 May 2025
  • Thumbnail for Point reflection
    point groups in three dimensions contain inversion: Cnh and Dnh for even n S2n and Dnd for odd n Th, Oh, and Ih Closely related to inverse in a point is...
    21 KB (2,742 words) - 08:37, 30 April 2025
  • Thumbnail for Symmetry number
    three dimensions Space group in 3 dimensions Molecular symmetry List of the 230 crystallographic 3D space groups Fixed points of isometry groups in Euclidean...
    2 KB (255 words) - 19:12, 30 November 2022
  • Thumbnail for Symmetry (geometry)
    of reflection, the symmetry group is isomorphic with Cs (see point groups in three dimensions for more), one of the three types of order two (involutions)...
    30 KB (3,496 words) - 07:42, 15 June 2024
  • Thumbnail for Rotational symmetry
    Rotational symmetry (category All Wikipedia articles written in American English)
    symmetry Point groups in three dimensions Screw axis Space group Translational symmetry Rotational symmetry of Weingarten spheres in homogeneous three-manifolds...
    15 KB (1,606 words) - 06:43, 27 March 2025
  • Q8: the quaternion group of order 8, also Dic2 The notations Zn and Dihn have the advantage that point groups in three dimensions Cn and Dn do not have...
    33 KB (1,319 words) - 20:52, 4 April 2025
  • Thumbnail for Frieze group
    group. Frieze groups are two-dimensional line groups, having repetition in only one direction. They are related to the more complex wallpaper groups,...
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  • Thumbnail for Space group
    space group (its symmetry operations) are the rigid transformations of the pattern that leave it unchanged. In three dimensions, space groups are classified...
    55 KB (4,240 words) - 01:55, 9 December 2024
  • group Th of pyritohedral symmetry also has 24 members and a subgroup of index 3 (this time it is a D2h prismatic symmetry group, see point groups in three...
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  • maximal compact group, and thus these correspond exactly to the polyhedral groups, the point groups in three dimensions. Icosahedral groups of Möbius transformations...
    70 KB (10,603 words) - 05:07, 10 April 2025
  • system Frieze group Isometry Lattice Point group Point groups in two dimensions Point groups in three dimensions Space group Symmetry group Translational...
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  • In geometry, the polyhedral groups are the symmetry groups of the Platonic solids. There are three polyhedral groups: The tetrahedral group of order 12...
    8 KB (420 words) - 23:54, 17 April 2025
  • Thumbnail for Three-dimensional space
    In precise topological terms, each point of the 3-sphere has a neighborhood which is homeomorphic to an open subset of 3-D space. In three dimensions...
    34 KB (4,825 words) - 05:11, 25 March 2025
  • Thumbnail for Tetrahedral symmetry
    point symmetries (or equivalently, symmetries on the sphere). They are among the crystallographic point groups of the cubic crystal system. Seen in stereographic...
    18 KB (1,012 words) - 15:48, 25 April 2025
  • Thumbnail for Three-point field goal
    A three-point field goal (also 3-pointer, three, or triple) is a field goal in a basketball game made from beyond the three-point line, a designated arc...
    48 KB (4,738 words) - 04:32, 19 March 2025