/*
www-ATLAS of Group Representations.
McL:2 represented as permutations on 275 points.
*/

G<x,y>:=PermutationGroup<275|\[
2,1,4,3,7,8,5,6,12,13,15,9,10,19,11,21,22,24,14,27,16,17,31,18,33,
34,20,37,38,40,23,43,25,26,47,48,28,29,51,30,53,54,32,57,58,60,35,36,63,64,
39,67,41,42,71,72,44,45,76,46,78,79,49,50,65,82,52,85,86,88,55,56,92,74,94,
59,97,61,62,101,102,66,105,106,68,69,110,70,112,113,115,73,118,75,120,121,77,123,109,125,
80,81,129,130,83,84,133,134,99,87,137,89,90,140,91,142,128,93,144,95,96,147,98,149,100,
139,127,117,103,104,153,154,107,108,158,159,111,161,126,114,164,116,167,119,170,172,122,175,124,177,
178,179,131,132,155,156,183,135,136,187,138,189,190,141,168,193,143,165,195,145,196,146,173,197,148,
192,150,151,152,204,201,206,157,184,185,186,160,209,162,163,213,176,166,216,169,171,174,221,222,208,
181,225,227,180,230,182,232,200,188,218,233,235,191,214,236,194,238,210,240,241,198,199,244,245,202,
247,203,249,250,205,252,207,211,255,212,215,257,217,242,219,220,239,259,223,224,261,226,264,228,229,
251,231,267,268,234,269,237,266,243,270,246,271,265,248,263,258,253,254,256,260,262,274,275,272,273]
,\[
3,2,5,6,1,9,10,11,4,14,16,17,18,7,20,8,23,25,26,28,29,30,12,32,13,
35,36,15,39,41,42,44,45,46,19,49,37,50,21,52,22,55,56,24,59,61,47,62,27,65,
66,68,69,70,31,73,74,75,33,77,34,80,81,76,38,83,84,40,87,89,90,91,43,93,95,
96,98,99,100,48,103,104,51,107,108,109,53,111,54,114,116,117,57,119,58,64,122,60,124,126,
127,128,63,131,105,132,67,112,135,136,138,85,139,71,141,72,123,143,125,145,146,148,92,78,94,
79,150,151,144,152,82,155,156,157,86,160,137,88,162,163,165,166,168,169,171,173,174,97,176,101,
102,180,181,154,106,182,184,185,186,110,188,113,191,192,115,172,194,118,129,159,120,142,121,198,199,
200,201,202,203,130,205,133,193,134,207,170,208,210,211,212,140,214,215,217,218,219,220,147,223,149,
224,226,228,229,153,231,158,209,187,161,234,221,213,164,183,237,167,239,233,242,190,243,175,177,246,
178,248,179,251,238,253,254,196,189,256,236,255,258,195,249,241,197,260,244,245,262,263,257,265,264,
204,266,206,269,216,267,227,230,259,222,247,225,261,268,240,272,235,250,232,271,273,252,270,274,275]
>;
print "Group G is McL:2 < Sym(275)";