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Tour:Index of a subgroup

49 bytes added, 16:20, 8 December 2008
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{{derivative of|index of a subgroup}}
{{guided tour-regular|target = beginners|Introduction secnum = three|next = Lagrange's theorem|previous = Left and right coset spaces are naturally isomorphic}}
{{quotation|'''WHAT YOU NEED TO DO''':
* Read the two equivalent definitions of index (as number of left cosets, and number of right cosets)
{{quotation|'''WHAT'S MORE''': Some further facts about index of a subgroup, some of which you'll see soon in the tour, and others, that'll be seen much later. Ignore those that use unfamiliar terminology.}}
{{#lst:Index of a subgroup|revisit}}
{{guided tour-bottomregular|target = beginners|Introduction secnum = three|next = Lagrange's theorem|previous = Left and right coset spaces are naturally isomorphic}}
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