# How does the order of a group, it's torsion subgroup and the co-factor link?

Given an elliptic curve that defines some group of non-prime order, with co-factor h.

Would it then have a h-torsion subgroup?

What are the implications for ECC to have h-torsion subgroup?

• Have you tried searching for the keywords cofactor and torsion on this site? – Squeamish Ossifrage Mar 13 at 17:44