Cremona's table of elliptic curves

Curve 78400fu1

78400 = 26 · 52 · 72



Data for elliptic curve 78400fu1

Field Data Notes
Atkin-Lehner 2+ 5- 7- Signs for the Atkin-Lehner involutions
Class 78400fu Isogeny class
Conductor 78400 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 221184 Modular degree for the optimal curve
Δ -1686616064000 = -1 · 214 · 53 · 77 Discriminant
Eigenvalues 2+ -3 5- 7- -3 -1 -5 -8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-7840,-274400] [a1,a2,a3,a4,a6]
Generators [105:245:1] Generators of the group modulo torsion
j -221184/7 j-invariant
L 2.3315073721168 L(r)(E,1)/r!
Ω 0.25321061857985 Real period
R 2.3019447011084 Regulator
r 1 Rank of the group of rational points
S 1.000000002273 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400ld1 4900v1 78400fr1 11200bj1 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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