Cremona's table of elliptic curves

Curve 121520cz1

121520 = 24 · 5 · 72 · 31



Data for elliptic curve 121520cz1

Field Data Notes
Atkin-Lehner 2- 5- 7- 31- Signs for the Atkin-Lehner involutions
Class 121520cz Isogeny class
Conductor 121520 Conductor
∏ cp 32 Product of Tamagawa factors cp
deg 147456 Modular degree for the optimal curve
Δ -373464985600 = -1 · 212 · 52 · 76 · 31 Discriminant
Eigenvalues 2-  2 5- 7- -4  0  8  4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-800,-30400] [a1,a2,a3,a4,a6]
Generators [112:1128:1] Generators of the group modulo torsion
j -117649/775 j-invariant
L 11.218394221533 L(r)(E,1)/r!
Ω 0.39953478760804 Real period
R 3.5098302236447 Regulator
r 1 Rank of the group of rational points
S 1.0000000033855 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 7595h1 2480j1 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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