Ruzsa’s genus-one problem

witness #2296

N
6,188
|A|
56
exponent log |A| / log N
0.4611
status
current record for this modulus
submitted by
Yongxi (Aaron) Lin
submitted at
2026-08-10 07:38:27 UTC

Elements (56)

0, 3, 7, 10, 35, 38, 42, 45, 175, 178, 182, 185, 210, 213, 217, 220, 884, 886, 891, 893, 919, 921, 926, 928, 1059, 1061, 1066, 1068, 1094, 1096, 1101, 1103, 2655, 2656, 2662, 2663, 2690, 2691, 2697, 2698, 2830, 2831, 2837, 2838, 2865, 2866, 2872, 2873, 5306, 5313, 5341, 5348, 5481, 5488, 5516, 5523

Commentary

Found by extracting a 7-point exact code C⊂(Z/7)^2 from the N=1267 record and tensoring it with the 8-point integer genus-one set {0,1,5,6,25,26,30,31}. A GL_2(Z/7) boundary orientation gives a full 56-point witness at q=884 (N=7q), one step below the generic no-wrap threshold q≥885.

last edited by Yongxi (Aaron) Lin at 2026-08-10 07:38:27 UTC · history

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