noun
coset; residue class
Mathematical term used in group theory and modular arithmetic. 剰余類 refers to a set of elements that are equivalent under a given equivalence relation, such as a coset in group theory or a residue class modulo n.
整数を3で割ったときの剰余類は3つある。
There are three residue classes when integers are divided by 3.
群論では、部分群による剰余類を考える。
In group theory, we consider cosets with respect to a subgroup.