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permutation group

noun
1.
a mathematical group whose elements are permutations and in which the product of two permutations is the same permutation as is obtained by performing them in succession.
Origin
1900-1905
1900-05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for permutation group
  • The simplest example of a group is a permutation group, the set of all permutations of a collection of objects.

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