# Properties

 Label 466752.bu3 Conductor $466752$ Discriminant $2.520\times 10^{30}$ j-invariant $$\frac{433744050935826360922067531137}{9612122270219882316693504}$$ CM no Rank $1$ Torsion structure $$\Z/{2}\Z \times \Z/{2}\Z$$

# Related objects

Show commands: Magma / Pari/GP / SageMath

## Minimal Weierstrass equation

sage: E = EllipticCurve([0, -1, 0, -10092914177, 382734832655265])

gp: E = ellinit([0, -1, 0, -10092914177, 382734832655265])

magma: E := EllipticCurve([0, -1, 0, -10092914177, 382734832655265]);

$$y^2=x^3-x^2-10092914177x+382734832655265$$

## Mordell-Weil group structure

$\Z\times \Z/{2}\Z \times \Z/{2}\Z$

### Infinite order Mordell-Weil generator and height

sage: E.gens()

magma: Generators(E);

 $P$ = $$\left(\frac{215964905558135910547270439193468204871141}{6396402012508487061210495409973428689}, \frac{145100745827584329450934478178267529506351690276617425827430400}{16177210136619159435321734548662165065983536892682809113}\right)$$ $\hat{h}(P)$ ≈ $90.641919151274798841824362172$

## Torsion generators

sage: E.torsion_subgroup().gens()

gp: elltors(E)

magma: TorsionSubgroup(E);

$$\left(51287, 0\right)$$, $$\left(64469, 0\right)$$

## Integral points

sage: E.integral_points()

magma: IntegralPoints(E);

$$\left(-115755, 0\right)$$, $$\left(51287, 0\right)$$, $$\left(64469, 0\right)$$

## Invariants

 sage: E.conductor().factor()  gp: ellglobalred(E)[1]  magma: Conductor(E); Conductor: $$466752$$ = $2^{6} \cdot 3 \cdot 11 \cdot 13 \cdot 17$ sage: E.discriminant().factor()  gp: E.disc  magma: Discriminant(E); Discriminant: $2519760180404520830027301912576$ = $2^{36} \cdot 3^{2} \cdot 11^{2} \cdot 13^{6} \cdot 17^{8}$ sage: E.j_invariant().factor()  gp: E.j  magma: jInvariant(E); j-invariant: $$\frac{433744050935826360922067531137}{9612122270219882316693504}$$ = $2^{-18} \cdot 3^{-2} \cdot 11^{-2} \cdot 13^{-6} \cdot 17^{-8} \cdot 19^{3} \cdot 739^{3} \cdot 539113^{3}$ Endomorphism ring: $\Z$ Geometric endomorphism ring: $$\Z$$ (no potential complex multiplication) Sato-Tate group: $\mathrm{SU}(2)$ Faltings height: $4.6211445322701470032846518941\dots$ Stable Faltings height: $3.5814237614302290391588037119\dots$

## BSD invariants

 sage: E.rank()  magma: Rank(E); Analytic rank: $1$ sage: E.regulator()  magma: Regulator(E); Regulator: $90.641919151274798841824362172\dots$ sage: E.period_lattice().omega()  gp: E.omega[1]  magma: RealPeriod(E); Real period: $0.025686427481966191336453166968\dots$ sage: E.tamagawa_numbers()  gp: gr=ellglobalred(E); [[gr[4][i,1],gr[5][i][4]] | i<-[1..#gr[4][,1]]]  magma: TamagawaNumbers(E); Tamagawa product: $64$  = $2^{2}\cdot2\cdot2\cdot2\cdot2$ sage: E.torsion_order()  gp: elltors(E)[1]  magma: Order(TorsionSubgroup(E)); Torsion order: $4$ sage: E.sha().an_numerical()  magma: MordellWeilShaInformation(E); Analytic order of Ш: $1$ (exact) sage: r = E.rank(); sage: E.lseries().dokchitser().derivative(1,r)/r.factorial()  gp: ar = ellanalyticrank(E); gp: ar[2]/factorial(ar[1])  magma: Lr1 where r,Lr1 := AnalyticRank(E: Precision:=12); Special value: $L'(E,1)$ ≈ $9.3130683324218505046273375053240205848$

## Modular invariants

Modular form 466752.2.a.bu

sage: E.q_eigenform(20)

gp: xy = elltaniyama(E);

gp: x*deriv(xy[1])/(2*xy[2]+E.a1*xy[1]+E.a3)

magma: ModularForm(E);

$$q - q^{3} + 2q^{5} + q^{9} + q^{11} - q^{13} - 2q^{15} - q^{17} + 8q^{19} + O(q^{20})$$

 sage: E.modular_degree()  magma: ModularDegree(E); Modular degree: 907739136 $\Gamma_0(N)$-optimal: not computed* (one of 3 curves in this isogeny class which might be optimal) Manin constant: 1 (conditional*)
* The optimal curve in each isogeny class has not been determined in all cases for conductors over 400000. The Manin constant is correct provided that curve 466752.bu4 is optimal.

## Local data

This elliptic curve is not semistable. There are 5 primes of bad reduction:

sage: E.local_data()

gp: ellglobalred(E)[5]

magma: [LocalInformation(E,p) : p in BadPrimes(E)];

prime Tamagawa number Kodaira symbol Reduction type Root number ord($N$) ord($\Delta$) ord$(j)_{-}$
$2$ $4$ $I_{26}^{*}$ Additive -1 6 36 18
$3$ $2$ $I_{2}$ Non-split multiplicative 1 1 2 2
$11$ $2$ $I_{2}$ Split multiplicative -1 1 2 2
$13$ $2$ $I_{6}$ Non-split multiplicative 1 1 6 6
$17$ $2$ $I_{8}$ Non-split multiplicative 1 1 8 8

## Galois representations

sage: rho = E.galois_representation();

sage: [rho.image_type(p) for p in rho.non_surjective()]

magma: [GaloisRepresentation(E,p): p in PrimesUpTo(20)];

The $\ell$-adic Galois representation has maximal image for all primes $\ell$ except those listed in the table below.

prime $\ell$ mod-$\ell$ image $\ell$-adic image
$2$ 2Cs 8.12.0.1

## $p$-adic regulators

sage: [E.padic_regulator(p) for p in primes(5,20) if E.conductor().valuation(p)<2]

$p$-adic regulators are not yet computed for curves that are not $\Gamma_0$-optimal.

No Iwasawa invariant data is available for this curve.

## Isogenies

This curve has non-trivial cyclic isogenies of degree $d$ for $d=$ 2.
Its isogeny class 466752.bu consists of 2 curves linked by isogenies of degrees dividing 4.