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Let be a finite non-cyclic group. The non-cyclic graph of is the graph whose vertex set is , two distinct vertices being adjacent if they do not generate a cyclic subgroup, where $Cyc(G)={a\in G: \langle a,b\rangle\ b\in G}$. In this paper, we classify all finite non-cyclic groups such that has (non)orientable genus one.

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