Cohomology of Sporadic Simple Groups
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In this chapter we will describe recent progress towards understanding the cohomology of the sporadic simple groups. Briefly we recall that from the classification of finite simple groups, [Gor], it was shown that there exist 2Ì3 simple groups not belonging to infinite families (i.e. not of alternating or Lie type) and we study six of these groups here: four of the five Mathieu groups, the first Janko group, J1, and the O’Nan group O’N.
KeywordsConjugacy Class Simple Group Spectral Sequence Weyl Group Versus Versus Versus Versus
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