Kalli nassin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar nassin: Passage: Rukunin dihedral (wanda aka tattauna a sama) rukuni ne mai iyaka na tsari 8. Tsarin r1 shine 4, kamar yadda tsarin rukunin R yake samarwa (duba sama). Tsarin abubuwa masu tunani fv da sauransu shine 2. Dukkanin umarni suna raba 8, kamar yadda aka annabta ta ka'idar Lagrange. Kungiyoyin Fp × da ke sama suna da tsari p - 1. Tambaya: Wace lamba ce ta raba umarni biyu bisa ga ka'idar?
8 Ƙarshen