/* www-ATLAS of Group Representations. J2 represented as 36 x 36 matrices over GF(3). */ F:=GF(3); x:=CambridgeMatrix(1,F,36,[ "010000000000000000000000000000000000", "100000000000000000000000000000000000", "000100000000000000000000000000000000", "001000000000000000000000000000000000", "000001000000000000000000000000000000", "000010000000000000000000000000000000", "000000001000000000000000000000000000", "210012112000000000000000000000000000", "000000100000000000000000000000000000", "000000000010000000000000000000000000", "000000000100000000000000000000000000", "000000000000100000000000000000000000", "000000000001000000000000000000000000", "000000000000000100000000000000000000", "000000000000000010000000000000000000", "000000000000010000000000000000000000", "000000000000001000000000000000000000", "000000000000000000100000000000000000", "000000000000000001000000000000000000", "000000000000000000001000000000000000", "000000000000000000010000000000000000", "000000000000000000000001000000000000", "000000000000000000000000100000000000", "000000000000000000000100000000000000", "000000000000000000000010000000000000", "000000000000000000000000000100000000", "000000000000000000000000000010000000", "000000000000000000000000010000000000", "000000000000000000000000001000000000", "000000000000000000000000000000010000", "000000000000000000000000000000000100", "000000000000000000000000000001000000", "001200102210001022112102011220101200", "000000000000000000000000000000100000", "100212020200021200110201011000101020", "211101122221100002211222222221210202"]); y:=CambridgeMatrix(1,F,36,[ "001000000000000000000000000000000000", "022000000000000000000000000000000000", "121000000000000000000000000000000000", "000010000000000000000000000000000000", "000000100000000000000000000000000000", "000000010000000000000000000000000000", "000100000000000000000000000000000000", "000000000100000000000000000000000000", "201200121100000000000000000000000000", "000001000000000000000000000000000000", "000000000001000000000000000000000000", "000000000000010000000000000000000000", "000000000000001000000000000000000000", "000000000010000000000000000000000000", "000000000000000001000000000000000000", "022020100101011221000000000000000000", "212210202202002100000000000000000000", "000000000000100000000000000000000000", "000000000000000000010000000000000000", "000000000000000000000100000000000000", "000000000000000000000010000000000000", "000000000000000000100000000000000000", "000000000000000000000000010000000000", "000000000000000000000000001000000000", "111110001202022010000001000000000000", "000000000000000000001000000000000000", "210200010010102110000000100000000000", "000000000000000000000000000001000000", "000000000000000000000000000000100000", "000000000000000000000000000000001000", "101022002100002111111100002011002100", "000000000000000000000000000000000010", "000000000000000000000000000100000000", "121202212110022120220220100110202000", "000000000000000000000000000000000001", "000000000000000000000000000000010000"]); G:=MatrixGroup<36,F|x,y>; print "Group G is J2 < GL(36,GF(3))";