quotient group
group obtained by aggregating similar elements of a larger group
projective unitary group
quotient of special unitary group by its center
projective linear group
construction in group theory
central product
quotient of the direct product of the two groups sharing an isomorphic centre by the diagonal of their centres
projective orthogonal group
twofold quotient of the orthogonal group: PO(n) = O(n)/{±1}
outer automorphism group
Mathematical group