Cremona's table of elliptic curves

Curve 78400is1

78400 = 26 · 52 · 72



Data for elliptic curve 78400is1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400is Isogeny class
Conductor 78400 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 147456 Modular degree for the optimal curve
Δ -8780800000000 = -1 · 216 · 58 · 73 Discriminant
Eigenvalues 2- -2 5+ 7-  4  2  0  2 Hecke eigenvalues for primes up to 20
Equation [0,1,0,3967,-103937] [a1,a2,a3,a4,a6]
Generators [37:308:1] Generators of the group modulo torsion
j 19652/25 j-invariant
L 4.3595285402606 L(r)(E,1)/r!
Ω 0.39178799525805 Real period
R 2.7818160546377 Regulator
r 1 Rank of the group of rational points
S 0.99999999985499 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 78400cn1 19600u1 15680cs1 78400ig1 Quadratic twists by: -4 8 5 -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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