We give a canonical form for the double cosets of Γ = SL(r + s, Z) with respect to the congruence subgroup Γ0(n; r, s) with r = s, and determine the number of the double cosets.
All Science Journal Classification (ASJC) codes
- Algebra and Number Theory
- Numerical Analysis
- Geometry and Topology
- Discrete Mathematics and Combinatorics