/* www-ATLAS of Group Representations. O7(3) represented as 27 x 27 matrices over GF(3). */ F:=GF(3); x:=CambridgeMatrix(1,F,27,[ "010000000000000000000000000", "100000000000000000000000000", "211000000000000000000000000", "000010000000000000000000000", "000100000000000000000000000", "000000010000000000000000000", "000000000100000000000000000", "000001000000000000000000000", "000000000000100000000000000", "000000100000000000000000000", "000121020010000000000000000", "000120100201000000000000000", "000000001000000000000000000", "000000000000000000100000000", "210120202100101000000000000", "120212010000020100100000000", "000000000000000010000000000", "000210201100210001200000000", "000000000000010000000000000", "120122011000210000210000000", "000121021000210000201000000", "210212011000210000200100000", "120002110200020000100010000", "210212011000210000200001000", "120212012000120000100000100", "000000000000020000100000010", "000210100200010000200000001"]); y:=CambridgeMatrix(1,F,27,[ "120000000000000000000000000", "001000000000000000000000000", "000100000000000000000000000", "000001000000000000000000000", "000000100000000000000000000", "000000001000000000000000000", "000000000010000000000000000", "000000000001000000000000000", "000000000000010000000000000", "000000000000001000000000000", "000000000000000100000000000", "000000000000000010000000000", "000000000000000001000000000", "022202002000020000000000000", "000000000000000000010000000", "000000000000000000001000000", "000000000000000000000100000", "000000000000000000000010000", "120111010110002200010010000", "000000000000000000000001000", "000000000000000000000000100", "000212012000120000002000000", "000212012000000200000200000", "000000000000000000000000010", "000000000000000000000000001", "010101121102100202221122121", "000010000000000000000000000"]); G:=MatrixGroup<27,F|x,y>; print "Group G is O7(3) < GL(27,GF(3))";