• Thumbnail for Finite group
    In abstract algebra, a finite group is a group whose underlying set is finite. Finite groups often arise when considering symmetry of mathematical or...
    15 KB (1,831 words) - 21:48, 27 January 2024
  • Thumbnail for Abelian group
    their non-abelian counterparts, and finite abelian groups are very well understood and fully classified. An abelian group is a set A {\displaystyle A} , together...
    36 KB (5,288 words) - 16:25, 31 January 2024
  • the finite Coxeter groups are precisely the finite Euclidean reflection groups; for example, the symmetry group of each regular polyhedron is a finite Coxeter...
    35 KB (3,588 words) - 06:29, 27 April 2024
  • Thumbnail for Order (group theory)
    of a finite group is the number of its elements. If a group is not finite, one says that its order is infinite. The order of an element of a group (also...
    11 KB (1,337 words) - 19:36, 15 February 2024
  • Thumbnail for Sporadic group
    classification of finite simple groups, there are 26 or 27 groups which do not fit into any infinite family. These are called the sporadic simple groups, or the...
    30 KB (2,072 words) - 06:09, 7 May 2024
  • combinatorial group theory. A presentation is said to be finitely generated if S is finite and finitely related if R is finite. If both are finite it is said...
    22 KB (2,419 words) - 02:52, 11 January 2024
  • profinite group is a topological group that is in a certain sense assembled from a system of finite groups. The idea of using a profinite group is to provide...
    18 KB (2,591 words) - 23:35, 23 March 2024
  • Thumbnail for Cyclic group
    generator of the group. Every infinite cyclic group is isomorphic to the additive group of Z, the integers. Every finite cyclic group of order n is isomorphic...
    36 KB (4,113 words) - 05:34, 9 March 2024
  • Thumbnail for Classification of finite simple groups
    mathematics, the classification of finite simple groups is a result of group theory stating that every finite simple group is either cyclic, or alternating...
    44 KB (3,913 words) - 19:35, 29 April 2024
  • permutation representations. Other than a few marked exceptions, only finite groups will be considered in this article. We will also restrict ourselves...
    105 KB (21,307 words) - 08:34, 9 January 2024