A047052 Number of Abelian subgroups of Chevalley group A_n(2) (the group of nonsingular n X n matrices over GF(2)).

1, 5, 93, 11449, 4709398, 23380019770

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Prog

(Magma) [&+[s`length : s in AbelianSubgroups(GL(n, 2))] : n in [1..6]];  // Robin Visser, Aug 14 2023

Crossrefs

Cf. A062250, A062240.

Sequence in context: A136097 A015030 A270071 * A049662 A264176 A178018

Adjacent sequences: A047049 A047050 A047051 * A047053 A047054 A047055

Keyword

nonn,hard,more

Author

Ahmed Fares (ahmedfares(AT)my-deja.com), Jul 18 2001

Extensions

a(5)-a(6) from Robin Visser, Aug 14 2023

Status

approved