Supersingular Elliptic Curves Without Inseparable Small Degree Endomorphisms

arXiv:2609.03839 · math.NT, cs.CR · Submitted 2026-09-03 · Read on arXiv

math.NT, cs.CR

Submitted: 2026-09-03

Updated: 2026-09-03

Code: https://github.com/Nicswansonwaterloo/MaxFrobeniusConj

Terminology

• Trace — 7× in this paper · explained in 2 episodes

Sources

• Minimal degree of an isogeny between a supersingular elliptic curve and its conjugate
• Inseparable endomorphisms and rank-2 sublattices of the Gross lattice

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