Vijay Singh chauhan Asked a Question
October 4, 2020 8:21 ampts 30 pts
is index referring to the order of a group here? if not then please define what index is.
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  • Deepak singh
    see attached , examples
    • cropped8771970930955944405.jpg
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  • Vishal goswami thankyou
    see attachment
    • cropped8261978404951088424.jpg
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  • Piyush Best Answer
    the index of a subgroup H in a group G is the number of left cosets of H in G, or equivalently, the number of right cosets of H in G. index is denoted by [G:H] = O(G)/O(H)
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    Vijay Singh chauhan
    Thank you, Piyush sir.
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