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Mathematics 16 Online
OpenStudy (anonymous):

Hello, how can i do an isomorphism between group of order 6 and the S3 group?

OpenStudy (owlfred):

Hoot! You just asked your first question! Hang tight while I find people to answer it for you. You can thank people who give you good answers by clicking the 'Good Answer' button on the right!

OpenStudy (anonymous):

just visit chemistry group and before u go plz click the good answer button on the right

OpenStudy (anonymous):

?? I'm talking about abstract algebra, in particular group theory.

OpenStudy (anonymous):

what group of order 6 are you starting with

OpenStudy (anonymous):

if it is cyclic or abelian there is no isomorphism

OpenStudy (anonymous):

and every nonabelian group of order 6 should be isomorphic to S3

OpenStudy (anonymous):

It doesn't matter; just take any non-anbelian group of order 6 and try to find the isomorphism. And rsvitale i think you're wrong, cause if you take an abelian group it is isomorphic to \[Z _{3} or Z _{3} xZ _{2} \]

OpenStudy (anonymous):

Excuse me \[Z _{6}\]

OpenStudy (anonymous):

if there is an isomorphism from G --> G' then if G is abelian G' is abelian

OpenStudy (anonymous):

and Z2xZ3 is isomorphic to Z6 since 2 and 3 are coprime

OpenStudy (anonymous):

Exactly, but i want to know when the group is no abelian; i know that is isomophic to the permutation group S3 but i need to do the isomorphism.

OpenStudy (anonymous):

ok do you want to send the symmetries of the regular triangle to the permutation group and show the two are isomorphic?

OpenStudy (anonymous):

theres not really anything to do in that case, but I don't know what else to do the general non abelian group of order 6 is just S3 as far as I know. symmetries of a triangle is another way to show the permutation group

OpenStudy (anonymous):

\[\phi(e)=e', \phi(\rho)=(123), etc..\]

OpenStudy (anonymous):

the kernel is trivial so it is one to one, and phi(G)=G' so it is onto

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