Cremona's table of elliptic curves

Curve 31680bf5

31680 = 26 · 32 · 5 · 11



Data for elliptic curve 31680bf5

Field Data Notes
Atkin-Lehner 2+ 3- 5- 11+ Signs for the Atkin-Lehner involutions
Class 31680bf Isogeny class
Conductor 31680 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ -8295335568453795840 = -1 · 217 · 310 · 5 · 118 Discriminant
Eigenvalues 2+ 3- 5-  0 11+  2  6  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,446388,-77618576] [a1,a2,a3,a4,a6]
Generators [14995015:472168467:42875] Generators of the group modulo torsion
j 102949393183198/86815346805 j-invariant
L 6.5656127126086 L(r)(E,1)/r!
Ω 0.128577436681 Real period
R 12.765872617483 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 31680dv5 3960e6 10560t6 Quadratic twists by: -4 8 -3


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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