Group
A group is a number of persons or things that are located, gathered, or classed together. Group may also refer to: == Groups of people == Cultural group, a group whose members share the same cultural identity Ethnic group, a group whose members share the same ethnic identity Religious group (disambiguation), a group whose members share the same religious identity Social group, a group whose members share the same social identity Tribal group, a group whose members share the same tribal identity Organization, an entity that has a collective goal and is linked to an external environment Peer group, an entity of three or more people with similar age, ability, experience, and interest Class (education), a group of people which attends a specific course or lesson at an educational institution == Social science == In-group and out-group Primary, secondary, and reference groups Social group Collectives === Philosophy and religion === Khandha, a Buddhist concept of five material and mental factors that take part in the rise of craving and clinging == Science and technology == === Mathematics === Group (mathematics), a set together with a binary operation satisfying certain algebraic conditions === Chemistry === Functional group, a group of atoms which provide some property to a molecule Group (periodic table), a column in the periodic table of chemical elements === Computing and the Internet === Group (computing), a collection of users or other objects Group (database) Group (online social networking) Usenet newsgroup Google Groups Yahoo!