🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPortuguêsРусский한국어中文日本語EntityQ2031467· pop 12· linked from 113 articlesspin groupmathematical group which is the double cover of the special orthogonal group SO(n)Available in 12 languagesEspañolFrançaisDeutsch中文日本語РусскийCatalanNederlandsPunjabiUkrainian한국어Connectionsexact sequenceEntitycovering spaceEntityCategoriesLie groupsSpinorsTopology of Lie groups