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Biography
Wiktionary|groupTOCrightA group is a number of things or persons being in some relation to one another.
Mathematics
Group (mathematics) , a set together with a binary operation satisfying certain algebraic conditions
* Group theory , the study of groups
* Group action , a way of describing the symmetries of objects using groups
* Group isomorphism , a one-to-one correspondence (function) between two groups which respects the given group operations
* Group object , a kind of generalization of a group which is built on more complicated structures than sets
Science
Chemistry
Functional group , a functional entity consisting of certain atoms whose presence provides a certain property to a molecule
Group (periodic table) , a column in the periodic table of chemical elements
Biology
Cultivar group , a formal classification category in the International Code of Nomenclature for Cultivated Plants ( ICNCP )
Group selection , in evolutionary biology, the idea that alleles can become fixed or spread in a population because of the benefits they bestow upon groups of organisms
Cosmology
Galaxy groups and clusters , a small number of galaxies near each other
* Local Group , the group containing the Milky Way Galaxy
Other
Group delay and phase delay
a set of lens (optics)|lens es stacked together
Group (stratigraphy) , in geology, a lithostratigraphy|lithostratigraphical unit; a group consists of formations, or rock stratum|strata .
Business
Business group , a legal entity comprising several companies
Sociology
Social group s, a description of various human groups
* Peer group
* Working group
* Interest group
Group action (sociology)
Group affective tone
Group aggression
Group attribution error
Group behaviour
Group cohesiveness
Group conflict
Group development
Group dynamics
Group guilt
Group narcissism
Group polarization
Group psychological abuse
Group scapegoating
Group-serving bias
Computing and the internet
Group (computing) , a collection of users or other objects
* Group identifier (Unix)
Group editor , a program that allows many people to edit a shared document over a computer network
Usenet newsgroup
Military
Army group
Group (air force) , an air force formation
Group Captain
Other uses
Breed Groups (dog) , the group or category to which breeds of dogs are assigned by kennel clubs
Group (auto racing) , a category of car allowed to compete in auto racing .
Group insurance covering people with common characteristics
