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Group Theory

Explore GroupTheory on MathWorld


Group theory is the mathematical study of abstract groups, namely sets of elements and a binary operation that together satisfy the four fundamental properties of closure, associativity, the identity property, and the inverse property.

Group theory is a college-level concept that would be first encountered in an abstract algebra course covering group theory.


Classroom Articles on Group Theory

  • Abelian Group
  • Group Representation
  • Cyclic Group
  • Normal Subgroup
  • Dihedral Group
  • Simple Group
  • Finite Group
  • Subgroup
  • Group
  • Symmetric Group
  • Group Action
  • Symmetry Group

  • Classroom Articles on Abstract Algebra (Up to College Level)

  • Abstract Algebra
  • Gaussian Integer
  • Algebra
  • Ideal
  • Algebraic Number
  • Isomorphism
  • Boolean Algebra
  • Quaternion
  • Field
  • Ring
  • Finite Field