<prompt> Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu: Passage: Boka re dihedral rakarondedzerwa pamusoro apa iboka rakaperera rehurongwa hwe 8. Kurongeka kwa r1 ndi 4, sezvinoita kurongeka kweboka duku R rinogadzira ona pamusoro apa. Kurongeka kwezvinhu zvinoratidzira fv nezvimwewo kuri 2. Mirayiridzo yose iri miviri inoparadzanisa 8, sezvakafanotaurwa neLagranges theorem. Mapoka Fp× ari pamusoro ane hurongwa p - 1. Mubvunzo: Nhambai iyo mirairo miviri inoparadzanisa mukuwirirana neshoko?  <response>: Nhamba 8 