Cremona's table of elliptic curves

Curve 121520r1

121520 = 24 · 5 · 72 · 31



Data for elliptic curve 121520r1

Field Data Notes
Atkin-Lehner 2+ 5- 7- 31+ Signs for the Atkin-Lehner involutions
Class 121520r Isogeny class
Conductor 121520 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 147456 Modular degree for the optimal curve
Δ 443197900880 = 24 · 5 · 78 · 312 Discriminant
Eigenvalues 2+  2 5- 7-  0 -4  4  4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-3495,73970] [a1,a2,a3,a4,a6]
Generators [143478354:1815485084:804357] Generators of the group modulo torsion
j 2508888064/235445 j-invariant
L 11.288860007269 L(r)(E,1)/r!
Ω 0.91456626074842 Real period
R 12.343403127816 Regulator
r 1 Rank of the group of rational points
S 0.99999999678906 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 60760o1 17360k1 Quadratic twists by: -4 -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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