Subgroups of type $A_1$ containing a fixed unipotent element in an algebraic group

Proud, RichardSaxl, JanTesterman, Donna2008-12-162008-12-162008-12-16200010.1006/jabr.2000.8353https://infoscience.epfl.ch/handle/20.500.14299/32739simple algebraic groupsunipotent elementssubgroupsof type $A_1$Frobenius morphismsgraph morphismsfinite groups of Lie typeSubgroups of type $A_1$ containing a fixed unipotent element in an algebraic grouptext::journal::journal article::research article