EntityQ105356493· pop 18· linked from 298 articlescomplex unit circleSign in to saveset of complex numbers whose absolute value is equal 1; Lie group of complex numbers of unit modulus; topologically a circleConnectionsreal numberEntityLie groupEntityroot of unityEntitycyclic groupEntityclosed setEntitykernelEntitytopological groupEntityorthogonal groupEntityOne-parameter groupEntitymathematicsEntityphysicsEntityInternational Standard Book NumberEntitynatural numberEntitycomplex numberEntityangleEntityintegerEntityHenri PoincaréEntitydigital object identifierEntitysymmetryEntityvector spaceEntityCategoriesLie groups