• Thumbnail for Lattice (discrete subgroup)
    Lie theory and related areas of mathematics, a lattice in a locally compact group is a discrete subgroup with the property that the quotient space has...
    31 KB (4,840 words) - 21:39, 26 January 2025
  • Thumbnail for Discrete group
    a discrete subgroup of PSL(2,R). The modular group is a lattice in PSL(2,R), but it is not cocompact. Kleinian groups are, by definition, discrete subgroups...
    7 KB (899 words) - 11:34, 23 October 2024
  • points Lattice (discrete subgroup), a discrete subgroup of a topological group whose quotient carries an invariant finite Borel measure Lattice (module)...
    2 KB (333 words) - 08:55, 23 November 2023
  • Thumbnail for Discrete geometry
    but the rational numbers, Q, do not. A lattice in a locally compact topological group is a discrete subgroup with the property that the quotient space...
    15 KB (1,575 words) - 05:36, 16 October 2024
  • Thumbnail for List of group theory topics
    Congruence relation Equivalence class Equivalence relation Lattice (group) Lattice (discrete subgroup) Multiplication table Prime number Up to Abelian variety...
    10 KB (800 words) - 23:24, 17 September 2024
  • Thumbnail for Arithmetic group
    arithmetic lattice in S L n ( R ) {\displaystyle \mathrm {SL} _{n}(\mathbb {R} )} . A lattice in a Lie group is usually defined as a discrete subgroup with...
    22 KB (3,301 words) - 17:22, 3 February 2025
  • algorithms for factoring and finding discrete logarithms in quantum computing are instances of the hidden subgroup problem for finite abelian groups, while...
    12 KB (2,031 words) - 13:15, 26 March 2025
  • derivative Darboux derivative Lie groupoid Lie algebroid Lattice (group) Lattice (discrete subgroup) Frieze group Wallpaper group Space group Crystallographic...
    4 KB (360 words) - 19:55, 10 January 2024
  • Thumbnail for Lattice (group)
    some maximum distance of a lattice point. Closure under addition and subtraction means that a lattice must be a subgroup of the additive group of the...
    17 KB (2,289 words) - 23:00, 6 May 2025
  • Thumbnail for Normal subgroup
    In abstract algebra, a normal subgroup (also known as an invariant subgroup or self-conjugate subgroup) is a subgroup that is invariant under conjugation...
    19 KB (3,157 words) - 18:44, 15 December 2024
  • Thumbnail for Subgroup
    have infinite order. The subgroups of any given group form a complete lattice under inclusion, called the lattice of subgroups. (While the infimum here...
    20 KB (1,643 words) - 00:28, 16 December 2024
  • homomorphism is just the fiber over the identity in H and is a discrete normal subgroup of G. The kernel K is closed in G if and only if G is Hausdorff...
    12 KB (1,731 words) - 09:41, 15 April 2025
  • Thumbnail for Symmetric group
    theorem states that every group G {\displaystyle G} is isomorphic to a subgroup of the symmetric group on (the underlying set of) G {\displaystyle G} ...
    46 KB (6,212 words) - 15:23, 13 February 2025
  • In mathematics, especially in geometry, a double lattice in ℝn is a discrete subgroup of the group of Euclidean motions that consists only of translations...
    4 KB (435 words) - 02:07, 18 December 2024
  • modular lattices are the lattice of submodules of a module (hence modular), the lattice of two-sided ideals of a ring, and the lattice of normal subgroups of...
    41 KB (5,872 words) - 05:19, 12 May 2025
  • Thumbnail for Symmetry group
    reflections, inversions and rotoinversions – i.e., the finite subgroups of O(n); (2) infinite lattice groups, which include only translations; and (3) infinite...
    17 KB (2,283 words) - 19:34, 22 March 2024
  • group WK of the maximal compact subgroup K. If we fix a fundamental chamber for the Weyl group of K, then the discrete series representation are in 1:1...
    10 KB (1,366 words) - 21:06, 12 August 2023
  • mathematics, the term lattice group is used for two distinct notions: a lattice (group), a discrete subgroup of Rn and its generalizations a lattice ordered group...
    304 bytes (71 words) - 11:13, 15 October 2020
  • Thumbnail for Reductive group
    example, SL(n,Z) is an arithmetic subgroup of SL(n,Q). For a Lie group G, a lattice in G means a discrete subgroup Γ of G such that the manifold G/Γ has...
    56 KB (8,018 words) - 09:30, 15 April 2025
  • Thumbnail for Suzuki sporadic group
    the group 6 · Suz · 2 into a maximal subgroup of Conway's group Co0 = 2 · Co1 of automorphisms of the Leech lattice, and shows that it has two complex irreducible...
    12 KB (495 words) - 07:07, 7 August 2024
  • Thumbnail for Complete lattice
    If 0 is removed from this structure it remains a lattice but ceases to be complete. The subgroups of any given group under inclusion. (While the infimum...
    18 KB (2,660 words) - 11:21, 27 January 2025
  • \mathbf {b} _{d}\}} with n-dimensional integer coordinates, for a lattice L (a discrete subgroup of Rn) with d ≤ n {\displaystyle d\leq n} , the LLL algorithm...
    15 KB (2,154 words) - 05:33, 24 December 2024
  • Thumbnail for Grigory Margulis
    constructing subgroups of semisimple Lie groups produces examples of lattices, called arithmetic lattices. It is analogous to considering the subgroup SL(n,Z)...
    13 KB (1,366 words) - 17:50, 13 March 2025
  • Thumbnail for Bethe lattice
    Bethe lattices also occur as the discrete subgroups of certain hyperbolic Lie groups, such as the Fuchsian groups. As such, they are also lattices in the...
    11 KB (1,948 words) - 05:43, 26 April 2025
  • Thumbnail for Reciprocal lattice
    space, and its closed subgroup L^ dual to L turns out to be a lattice in V^. Therefore, L^ is the natural candidate for dual lattice, in a different vector...
    33 KB (5,496 words) - 08:15, 17 April 2025
  • Thumbnail for Thompson sporadic group
    mod 3, so is a subgroup of the Chevalley group E8(3). The subgroup preserving the Lie bracket (over the integers) is a maximal subgroup of the Thompson...
    13 KB (505 words) - 09:44, 24 October 2024
  • Thumbnail for Translational symmetry
    equations under any translation (without rotation). Discrete translational symmetry is invariant under discrete translation. Analogously, an operator A on functions...
    7 KB (896 words) - 15:49, 20 August 2024
  • Thumbnail for Solvable group
    solvable group is a group whose derived series terminates in the trivial subgroup. Historically, the word "solvable" arose from Galois theory and the proof...
    18 KB (3,033 words) - 00:00, 23 April 2025
  • Thumbnail for Janko group J2
    doi:10.1016/0021-8693(69)90113-6, MR0251133, ISSN 0021-8693 MathWorld: Janko Groups Atlas of Finite Group Representations: J2 The subgroup lattice of J2...
    11 KB (909 words) - 07:06, 30 January 2025
  • Thumbnail for Rotational symmetry
    preserving orientation. Therefore, a symmetry group of rotational symmetry is a subgroup of E +(m) (see Euclidean group). Symmetry with respect to all rotations...
    15 KB (1,606 words) - 06:43, 27 March 2025