Engineering↗
Subgroups, Direct Products, Cosets and Finite-Group Counting
Handbook treatment of subgroup tests, direct products, coset partitions and the divisibility relation between subgroup and group orders.
Every page in the KEVOS library tagged group order. 3 pages.
Handbook treatment of subgroup tests, direct products, coset partitions and the divisibility relation between subgroup and group orders.
Pollard's p-1 method, its dependence on the smoothness of the group order, and why that dependence is its fatal limitation.
The baby-step giant-step method for discrete logarithms and group order, its application to class groups when an approximation to the order is available, and determination of gr…