Cremona's table of elliptic curves

Curve 78120bf1

78120 = 23 · 32 · 5 · 7 · 31



Data for elliptic curve 78120bf1

Field Data Notes
Atkin-Lehner 2- 3- 5- 7+ 31+ Signs for the Atkin-Lehner involutions
Class 78120bf Isogeny class
Conductor 78120 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 17418240 Modular degree for the optimal curve
Δ -3.2115405413791E+25 Discriminant
Eigenvalues 2- 3- 5- 7+ -3  1 -3 -6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-74077932,366830029316] [a1,a2,a3,a4,a6]
j -240892216689399984415744/172086148693581998435 j-invariant
L 0.24225746536237 L(r)(E,1)/r!
Ω 0.060564376767473 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 8680a1 Quadratic twists by: -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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