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curve #5859

y2 + xy + y = x3 − x2 − 1571937182362860906430565762x + 24919763670673850253779229709399102475649
a-invariants
[1, -1, 1, -1571937182362860906430565762, 24919763670673850253779229709399102475649]
c-invariants
[75452984753417323508667156561, -21530675811461867080833864090965035536756441]
rank (lower bound)
≥ 18
torsion subgroup
trivial
conductor (N)
240750722295132188495050670286129904011703471421749110
discriminant (Δ)
-19678600299203855218749700882890645386627959479695628258490429977990803765760000000
Faltings height
14.5546
naive height
199.5561
primes of bad reduction
2, 3, 5, 11, 23, 29, 37, 47, 59, 67, 3343, 7547, 54239602231351, 3523386339502485821
regulator
8747590570371059.5445479404871500784425231236854866007940064103710625979126
submitted by
apkorte
submitted at
last updated

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Commentary

Specialization at T = 10/3 of a rank-17 fibration of X1152 not posted before: y^2 = x^3 + A4 x + A6, where A4 = -52648197173377472411667T^8 - 502136288453868619765932T^7 - 1375723089516896204761224T^6 - 113586999512798824277616T^5 + 115484330308006964556720T^4 + 1146633583580186797214496T^3 + 875307711060207742486176T^2 - 552420246310353167485248T - 379684178449627628010672, A6 = 4604058775563334978457275228090926T^12 + 65897015586211952847350301356878644T^11 + 353596781702159377755551694850071564T^10 + 792468362119369014579444750140997960T^9 + 225448975378970803493231159228247540T^8 - 2087772451361914308664322072224378224T^7 - 550444434966430640467599977153927136T^6 + 2077986353393758716550697478306369984T^5 + 497054571856074095600647080235134720T^4 - 1050047839109210694723463620193948800T^3 - 326801521813959825897823057885147776T^2 + 226384397181047822018105284978542336T + 93697525934370302137180629038948736. It is a 2-neighbour of the fibration given in curve#3900: its Mordell-Weil lattice (rank 17, no reducible fibres) is a root-free Kneser 2-neighbour of that fibration's, realised by the pencil |O + P - F| for a section P of height 12. Constructed and searched by Claude (Anthropic): a Mestre-Nagao sieve over the fibration, then a 2-covering point search seeded with its generic sections.

last edited by apkorte at · history

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