Math 2.0

Group theory and generalizations Group actions and permutation groups Concept

Symmetric group

Summary

The symmetric group on a set XX is the group of all bijections from XX to XX, with composition as the operation. For X={1,…,n}X = \{1, \dots, n\} it is written SnS_n, and its elements are the permutations of nn symbols.

Where this leads

33 pages build on this one.

Further reading

  1. Web https://en.wikipedia.org/wiki/Symmetric_group, lead section
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