Icosahedral mckay
v219_icosahedral_mckay.py · core
Read the original description and evidence links
McKay bedrock: WHY the atoms are 2,3,5. E₈ is the exceptional TOP of the McKay tower of finite SU(2) subgroups (2T→Ê₆, 2O→Ê₇, 2I→Ê₈). The McKay graph is BUILT from the group: the 120 icosians close to 2I (orders {1,2,3,4,5,6,10}, containing the 2,3,5 axes), 9 conjugacy classes, Dixon irrep degrees {1,2,2,3,3,4,4,5,6} (sum 30=h(E₈), sum² 120=|R⁺(E₈)|); the natural-rep McKay adjacency IS the affine E₈ graph with marks = degrees. Backward certificate of E₈, not a P2 proof.
Read the original Python source- Linked claims
- Paper sections
- Source section 1Source section 2Source section 3Source section 4Source section 5Source section 6Source section 7Source section 8Source section 9Source section 10Source section 11Source section 12Source section 13Source section 14Source section 15Source section 16Source section 17Source section 18Source section 19Source section 20Source section 21Source section 22Source section 23