How can /what formula can be used to find the no. Of subspaces of dim 2 in the Vector Space over the group of INTEGER MODULO 2.
determination of number of subspaces of a vector space
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$\begingroup$
vector-spaces
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0What is the dimension of your original vector space? What have you tried? – 2017-01-20
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0You didn't indicate which vector space you have in mind. – 2017-01-20
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2I have a formula here which says or is similar to determining order of elements in a n×n matrix with entries from group ofInteger modulo p. – 2017-01-20
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0Possible duplicate of [How many k-dimensional subspaces there are in n-dimentional vector space over $\mathbb F_p$?](http://math.stackexchange.com/questions/70801/how-many-k-dimensional-subspaces-there-are-in-n-dimentional-vector-space-over) – 2017-01-20
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1Good explanation – 2017-01-20