 ##  [Conjugacy](/conjugacy) 

  ##  [Conjugacy](https://mathlogic.quantumdictionary.io/conjugacy-0) 

  
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- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 
Definition

A binary relation on the elements of a group (or an algebraic structure with invertible elements) in which two elements a and b are conjugate if there exists an invertible g with a = g b g^{-1}; equivalence classes under this relation are called conjugacy classes.