/* www-ATLAS of Group Representations. L2(19) represented as 20 x 20 matrices over GF(8). */ F:=GF(8); x:=CambridgeMatrix(1,F,20,[ "01000000000000000000", "10000000000000000000", "00010000000000000000", "00100000000000000000", "00000100000000000000", "00001000000000000000", "00000000100000000000", "00000000010000000000", "00000010000000000000", "00000001000000000000", "00000000000001000000", "00000000000000100000", "00000000000000001000", "00000000001000000000", "00000000000100000000", "00330647733507114411", "00000000000010000000", "66266465004062670024", "77565671635171553171", "22636617577566447556"]); y:=CambridgeMatrix(1,F,20,[ "10000000000000000000", "00100000000000000000", "11100000000000000000", "00001000000000000000", "00000010000000000000", "00000001000000000000", "00010000000000000000", "00000000001000000000", "00000000000100000000", "00000000000010000000", "00000100000000000000", "00000000000000010000", "00000000000000000100", "00000000000000000010", "00000000000000000001", "00000000100000000000", "41400237022077512263", "00000000010000000000", "27230155704645757513", "17221044705644657502"]); G:=MatrixGroup<20,F|x,y>; print "Group G is L2(19) < GL(20,GF(8))";