/*
www-ATLAS of Group Representations.
McL:2 represented as 21 x 21 matrices over GF(5).
*/

F:=GF(5);

x:=CambridgeMatrix(1,F,21,[
"430000000000000000000",
"010000000000000000000",
"043300000000000000000",
"034200000000000000000",
"310232000000000000000",
"231012000000000000000",
"232331342000000000000",
"403334012300000000000",
"224324123400000000000",
"313003124300000000000",
"143030240133320000000",
"110424434301021000000",
"432414431123212310000",
"311402432032003310000",
"341344434341033430000",
"332311120223134400014",
"221104240432332110023",
"041103131211312244000",
"304032440023040322034",
"331132203421341411314",
"312143442330043221300"]);

y:=CambridgeMatrix(1,F,21,[
"340031403202214134334",
"113224412430214023140",
"013022134043343040224",
"343423023444434430043",
"034330122201004212301",
"300200414130340111334",
"002414023301303434342",
"041321112420432023013",
"034104142400201241440",
"002144302233121040400",
"324002411111322341344",
"323104224103442234213",
"231221243410143204340",
"342032131024233403410",
"101421203041010304433",
"343132243004001320320",
"214224401241333311144",
"310123200044421102034",
"043231013440222004313",
"043444123024342242104",
"003032412142012401322"]);

G<x,y>:=MatrixGroup<21,F|x,y>;
print "Group G is McL:2 < GL(21,GF(5))";