Question Number 53621 by kaivan.ahmadi last updated on 23/Jan/19
$$\mathrm{How}\:\mathrm{many}\:\mathrm{group}\:\mathrm{homomorphism}\:\mathrm{exist} \\ $$$$\mathrm{from}\:\mathrm{A}_{\mathrm{4}\:} \:\mathrm{to}\:\mathbb{Z}_{\mathrm{2}} ×\mathbb{Z}_{\mathrm{2}} \:\:? \\ $$