Counting Fuzzy Subgrops of Z2 by Lattice Subgroups


In this paper, we compute the number of fuzzy subgroups of an abelian group Z2 when n=1, 2, 3 and 4 by using the subgroups lattice of it .Also we construct the diagram of subgroups lattice of Z2, n=1, 2, 3 and 4