Cremona's table of elliptic curves

Curve 91728co2

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728co2

Field Data Notes
Atkin-Lehner 2- 3+ 7- 13+ Signs for the Atkin-Lehner involutions
Class 91728co Isogeny class
Conductor 91728 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ -338350591362760704 = -1 · 215 · 39 · 79 · 13 Discriminant
Eigenvalues 2- 3+  3 7-  3 13+ -3  5 Hecke eigenvalues for primes up to 20
Equation [0,0,0,136269,-20207502] [a1,a2,a3,a4,a6]
Generators [5817:444528:1] Generators of the group modulo torsion
j 29503629/35672 j-invariant
L 9.0823193619386 L(r)(E,1)/r!
Ω 0.16306167038611 Real period
R 1.7405836672104 Regulator
r 1 Rank of the group of rational points
S 0.99999999943089 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 11466e2 91728cp1 13104bi2 Quadratic twists by: -4 -3 -7


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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