/* www-ATLAS of Group Representations. J2:2 represented as 14 x 14 matrices over GF(5). */ F:=GF(5); x:=CambridgeMatrix(1,F,14,[ "01000000000000", "10000000000000", "00010000000000", "00100000000000", "00000010000000", "00000000100000", "00001000000000", "00000000001000", "00000100000000", "00000000000010", "00000001000000", "14001244331120", "00000000010000", "23323221314041"]); y:=CambridgeMatrix(1,F,14,[ "00100000000000", "04400000000000", "00001000000000", "00000100000000", "00000001000000", "03344202000000", "00000000010000", "12104001000000", "00000000000100", "00000000000001", "42430031120134", "13014331014330", "32222111430111", "04103013020003"]); G:=MatrixGroup<14,F|x,y>; print "Group G is J2:2 < GL(14,GF(5))";