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SUMMARY:Constructing Ordinary Representations of Finite Groups via Extensi
 on - Allan Steel (University of Sydney)
DTSTART:20200129T101000Z
DTEND:20200129T110000Z
UID:TALK138034@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:I will describe practical methods for the construction of ordi
 nary representations of a finite group G via the extension of existing rep
 resentations defined on a proper subgroup of G.  I will also describe how\
 , using an implementation of this algorithm within Magma\, I was  able to 
 construct for the first time minimal-degree faithful ordinary representati
 ons of most of the large sporadic simple groups\, such as the Baby Monster
 . 
LOCATION:Seminar Room 1\, Newton Institute
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