A rational congruence for a standard orbit decomposition. (English) Zbl 0962.05506
Summary: We consider the orbit decomposition given by a standard automorphism group of a point-divisible design, and we exhibit a rational congruence naturally associated to this decomposition.
MSC:
| 05B05 | Combinatorial aspects of block designs |
| 20B25 | Finite automorphism groups of algebraic, geometric, or combinatorial structures |
