Cremona's table of elliptic curves

Curve 78400is2

78400 = 26 · 52 · 72



Data for elliptic curve 78400is2

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400is Isogeny class
Conductor 78400 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ 439040000000000 = 217 · 510 · 73 Discriminant
Eigenvalues 2- -2 5+ 7-  4  2  0  2 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-24033,-1027937] [a1,a2,a3,a4,a6]
Generators [-57:400:1] Generators of the group modulo torsion
j 2185454/625 j-invariant
L 4.3595285402606 L(r)(E,1)/r!
Ω 0.39178799525805 Real period
R 1.3909080273189 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 78400cn2 19600u2 15680cs2 78400ig2 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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