plural of main group element

UFO religion

(linear algebra, group theory) For given n, the group of n×n unitary matrices with complex elements and determinant equal to one.

An advocacy group.

plural of neighbouring group participation

(astronomy) An implied cosmological scale alignment of matter. An assemblage of quasars that appear to form a structure, having them closely grouped in the sky in terms of redshift and lateral placement, implying an outline of a dimmer more massive structure in which the quasars are embedded.

(group theory) For given field F and order n, the group of n×n matrices with determinant 1, with the group operations of matrix multiplication and matrix inversion.

(group theory) For given field F and order n, the group of invertible n×n matrices, with the group operation of matrix multiplication.

(algebra) a free module over the ring of integers

(algebraic geometry, category theory) An algebraic group that is isomorphic to a subgroup of some general linear group.