Group

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Group may refer to:

Mathematics[edit]

  • Group (mathematics), a set together with a binary operation satisfying certain algebraic conditions
    • Group theory, the study of groups
    • Group action, a way of describing the symmetries of objects using groups
    • Group isomorphism, a one-to-one correspondence (function) between two groups which respects the given group operations
    • Group object, a kind of generalization of a group which is built on more complicated structures than sets

Science[edit]

Biology[edit]

  • Cultivar group, a formal classification category in the International Code of Nomenclature for Cultivated Plants
  • Group selection, in evolutionary biology, the idea that alleles can become fixed or spread in a population because of the benefits they bestow upon groups of organisms

Chemistry[edit]

  • Functional group, a functional entity consisting of certain atoms whose presence provides a certain property to a molecule
  • Group (periodic table), a column in the periodic table of chemical elements

Cosmology[edit]

Other sciences[edit]

Sociology[edit]

Organizations[edit]

Computing and Internet[edit]

Military[edit]

Other uses[edit]

See also[edit]