'Left coset' diaporamas de présentation

Cosets

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6.3.2 Cyclic groups

6.3.2 Cyclic groups. 1.Order of an element Definition 13: Let G be a group with an identity element e. We say that a is of order n if a n =e, and for any 0<m<n, a m ? e. We say that the order of a is infinite if a n ? e for any positive integer n. Example:group[{1,-1,i.-i}; ? ],

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Section 13 Homomorphisms

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