(inorganic chemistry) Group 3 of the periodic table, comprising scandium, yttrium, lanthanum and actinium.

(inorganic chemistry) Group 8 of the periodic table, comprising iron, ruthenium, osmium and hassium

(Australia, finance) A statement of earnings from an employer or government department, used for taxation purposes.

(group theory) Any one of the 26 exceptional finite simple groups, which do not belong to any of the general, infinite categories specified by the classification theorem for finite simple groups.

(algebra, group theory) A group whose elements are permutations (self-bijections) of a given set and whose group operation is function composition.

(group theory) A group whose elements represent ways to weave some number of strings into braids.

(inorganic chemistry) Group 12 of the periodic table, comprising zinc, cadmium, mercury and copernicium

(group theory) a group of symmetries of a regular polygon

(group theory) a group of even permutations of a finite set

(inorganic chemistry) Group 5 of the periodic table, comprising vanadium, niobium, tantalum and dubnium