Properties of Elements

IsSemisimple(x) : GrpLieElt -> BoolElt
Return true if, and only if, the element x of the group of Lie type is semisimple.
IsUnipotent(x) : GrpLieElt -> BoolElt
Return true if, and only if, the element x of the group of Lie type is unipotent.
IsCentral(x) : GrpLieElt -> BoolElt
Return true if, and only if, the element x of the group of Lie type is in the centre of its parent group.
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Version: V2.29 of Fri Nov 28 15:14:01 AEDT 2025