Abstract
If the standard model is embedded in a conformal theory, what is the simplest possibility? We analyze all Abelian orbifolds for discrete symmetry Zp with p<~7, and find that the simplest such theory is indeed SU(3)7. Such a theory predicts the correct electroweak unification (sin2θ0.231). A color coupling αC(M)0.07 suggests a conformal scale M near to 10 TeV.