/* www-ATLAS of Group Representations. 2A5 represented as 2 x 2 matrices over GF(49). */ F:=GF(49); x:=CambridgeMatrix(3,F,2,\[ 46,0, 42,10]); y:=CambridgeMatrix(3,F,2,\[ 0,1, 6,6]); G:=MatrixGroup<2,F|x,y>; print "Group G is 2A5 < GL(2,GF(49))";