{wiki=Fundamental_theorem_on_homomorphisms}


Fundamental theorem on homomorphisms

{wiki}

Ultimate explanation by <Ciro Santilli>: https://math.stackexchange.com/questions/776039/intuition-behind-normal-subgroups/3732426#3732426

Links <group homomorphism> and the <quotient group> via <normal subgroups>.

\Image[https://web.archive.org/web/20240229232207im_/https://i.stack.imgur.com/nzewk.png]
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{source=https://math.stackexchange.com/questions/776039/intuition-behind-normal-subgroups/3732426#3732426}


 Fundamental theorem on homomorphisms