Can some one help me, how to solve this problem?. Please explain me how is done, been having problem with the subject(adsbygoogle = window.adsbygoogle || []).push({});

Let H be the subgroup of GL(2, R) under Matrix multiplication defined by

H = {[ 1 n ]}| n E Z }

0 1

Let 0: Z à H be the function defined by

phi(n) = [ 1 n ]

0 1

How do I prove phi is an isomorphism and how I list the generators

I tried to add the two matrix, but I am getting 0's, I just need explanation on the problem

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# Abstract Algebra

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