Ruzsa’s genus-one problem

witness #2166

N
3,050
|A|
39
exponent log |A| / log N
0.4566
status
current record for this modulus
submitted by
Yongxi (Aaron) Lin
submitted at
2026-08-09 16:39:50 UTC

Elements (39)

2, 5, 17, 27, 30, 124, 129, 149, 154, 612, 615, 617, 635, 637, 640, 642, 738, 763, 981, 1006, 1349, 1374, 1837, 1862, 1958, 1968, 1983, 2201, 2216, 2226, 2455, 2465, 2564, 2573, 2578, 2579, 2589, 2826, 2831

Commentary

From the N=925 seed: complete its affine-normalized 22-point exact (Z/25)^2 code to a saturated 25-point core, choose GL2(Z/25) coordinates [[14,9],[0,9]], double by vertical shift 25, then delete eleven q=122 wraparound-defect points.

last edited by Yongxi (Aaron) Lin at 2026-08-09 16:39:50 UTC · history

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