plural of unitary group

(group theory) For given n, the group of n×n unitary matrices, with the group operation of matrix multiplication.

(group theory) Any group that is isomorphic to a matrix group.

(Internet) A group of people who meet and chat online, especially in a chat room

(group theory) For given n and field F (especially where F is the real numbers), the group of n × n orthogonal matrices with elements in F, where the group operation is matrix multiplication.

plural of orthogonal group

(group theory) A group which has no normal subgroups apart from the trivial group and itself.

(group theory) The unique group (up to isomorphism) consisting of a single element (which is the identity element).

plural of free group

plural of group action