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Vijay posted an Question
November 21, 2020 • 11:44 am 30 points
  • IIT JAM
  • Mathematics (MA)

A problem related to group theory

what does the ratio (G: H) mean in group theory?......

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    Piyush pachauri

    It is the index of H in G. Where H is a subgroup of G

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    what does the index of H mean? does it mean the number of left and right cosets of H

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    Yes

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    That was my second comment

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