GAP Package AtlasRep
AtlasRep Info for A
21
→ ATLAS page for A
21
→ Overview of Groups
Representations for G = A
21
: (all refer to std. generators 1)
1
G ≤ Sym(21)
19-trans., on cosets of A
20
(1st max.)
2
G ≤ Sym(210)
rank 3, on cosets of S
19
(2nd max.)
3
G ≤ GL(20,ℤ)
4
G ≤ GL(189,ℤ)
5
G ≤ GL(190,ℤ)
Programs for G = A
21
: (all refer to std. generators 1)
std. gen. checker:
File created automatically by GAP on 22-Apr-2022.