<prompt> Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu: Passage: Mune zvimwe zviitiko boka re cosets re subgroup rinogona kupiwa mutemo weboka, richigovera boka requotient kana boka refactor. Kuti izvi zviitike, boka duku racho rinofanira kuva rakanaka. Zvichipiwa chero boka duku ripi neripi N, boka requotient rinorondedzerwa ne Mubvunzo: Chii chinoitika apo boka duku remapoka rinogamuchira mutemo weboka?  <response>: kupa boka requotient kana boka refactor 