Minimal Weierstrass equation
Minimal Weierstrass equation
Simplified equation
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\(y^2=x^3+x^2-1560433x+106563263\)
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(homogenize, simplify) |
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\(y^2z=x^3+x^2z-1560433xz^2+106563263z^3\)
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(dehomogenize, simplify) |
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\(y^2=x^3-126395100x+78063804000\)
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(homogenize, minimize) |
Mordell-Weil group structure
\(\Z \oplus \Z/{2}\Z\)
Mordell-Weil generators
| $P$ | $\hat{h}(P)$ | Order |
|---|---|---|
| $(-61, 14196)$ | $2.6644208994957006883006250177$ | $\infty$ |
| $(1213, 0)$ | $0$ | $2$ |
Integral points
\((-61,\pm 14196)\), \( \left(1213, 0\right) \)
Invariants
| Conductor: | $N$ | = | \( 405600 \) | = | $2^{5} \cdot 3 \cdot 5^{2} \cdot 13^{2}$ |
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| Discriminant: | $\Delta$ | = | $238219473915072000000$ | = | $2^{12} \cdot 3^{3} \cdot 5^{6} \cdot 13^{10} $ |
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| j-invariant: | $j$ | = | \( \frac{1360251712}{771147} \) | = | $2^{6} \cdot 3^{-3} \cdot 13^{-4} \cdot 277^{3}$ |
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| Endomorphism ring: | $\mathrm{End}(E)$ | = | $\Z$ | |||
| Geometric endomorphism ring: | $\mathrm{End}(E_{\overline{\Q}})$ | = | \(\Z\) (no potential complex multiplication) |
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| Sato-Tate group: | $\mathrm{ST}(E)$ | = | $\mathrm{SU}(2)$ | |||
| Faltings height: | $h_{\mathrm{Faltings}}$ | ≈ | $2.5999099772971999257227063362$ |
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| Stable Faltings height: | $h_{\mathrm{stable}}$ | ≈ | $-0.18043083821056393902164917265$ |
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| $abc$ quality: | $Q$ | ≈ | $1.069422794221752$ | |||
| Szpiro ratio: | $\sigma_{m}$ | ≈ | $4.212383520241738$ | |||
BSD invariants
| Analytic rank: | $r_{\mathrm{an}}$ | = | $ 1$ |
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| Mordell-Weil rank: | $r$ | = | $ 1$ |
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| Regulator: | $\mathrm{Reg}(E/\Q)$ | ≈ | $2.6644208994957006883006250177$ |
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| Real period: | $\Omega$ | ≈ | $0.15140117539046324399708177032$ |
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| Tamagawa product: | $\prod_{p}c_p$ | = | $ 96 $ = $ 2^{2}\cdot3\cdot2\cdot2^{2} $ |
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| Torsion order: | $\#E(\Q)_{\mathrm{tor}}$ | = | $2$ |
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| Special value: | $ L'(E,1)$ | ≈ | $9.6815149420455460667456938459 $ |
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| Analytic order of Ш: | Ш${}_{\mathrm{an}}$ | ≈ | $1$ (rounded) |
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BSD formula
$$\begin{aligned} 9.681514942 \approx L'(E,1) & = \frac{\# ะจ(E/\Q)\cdot \Omega_E \cdot \mathrm{Reg}(E/\Q) \cdot \prod_p c_p}{\#E(\Q)_{\rm tor}^2} \\ & \approx \frac{1 \cdot 0.151401 \cdot 2.664421 \cdot 96}{2^2} \\ & \approx 9.681514942\end{aligned}$$
Modular invariants
Modular form 405600.2.a.fe
For more coefficients, see the Downloads section to the right.
| Modular degree: | 16515072 |
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| $ \Gamma_0(N) $-optimal: | not computed* (one of 2 curves in this isogeny class which might be optimal) | |
| Manin constant: | 1 (conditional*) |
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Local data at primes of bad reduction
This elliptic curve is not semistable. There are 4 primes $p$ of bad reduction:
| $p$ | Tamagawa number | Kodaira symbol | Reduction type | Root number | $\mathrm{ord}_p(N)$ | $\mathrm{ord}_p(\Delta)$ | $\mathrm{ord}_p(\mathrm{den}(j))$ |
|---|---|---|---|---|---|---|---|
| $2$ | $4$ | $I_{3}^{*}$ | additive | -1 | 5 | 12 | 0 |
| $3$ | $3$ | $I_{3}$ | split multiplicative | -1 | 1 | 3 | 3 |
| $5$ | $2$ | $I_0^{*}$ | additive | 1 | 2 | 6 | 0 |
| $13$ | $4$ | $I_{4}^{*}$ | additive | 1 | 2 | 10 | 4 |
Galois representations
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 |
|---|---|---|
| $2$ | 2B | 4.6.0.1 |
The image $H:=\rho_E(\Gal(\overline{\Q}/\Q))$ of the adelic Galois representation has level \( 1560 = 2^{3} \cdot 3 \cdot 5 \cdot 13 \), index $48$, genus $0$, and generators
$\left(\begin{array}{rr} 479 & 1240 \\ 980 & 279 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 8 & 1 \end{array}\right),\left(\begin{array}{rr} 1 & 8 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 1 & 4 \\ 4 & 17 \end{array}\right),\left(\begin{array}{rr} 623 & 0 \\ 0 & 1559 \end{array}\right),\left(\begin{array}{rr} 1056 & 905 \\ 265 & 876 \end{array}\right),\left(\begin{array}{rr} 1553 & 8 \\ 1552 & 9 \end{array}\right),\left(\begin{array}{rr} 7 & 6 \\ 1554 & 1555 \end{array}\right),\left(\begin{array}{rr} 836 & 625 \\ 1375 & 6 \end{array}\right),\left(\begin{array}{rr} 1451 & 510 \\ 1370 & 1211 \end{array}\right)$.
The torsion field $K:=\Q(E[1560])$ is a degree-$19322634240$ Galois extension of $\Q$ with $\Gal(K/\Q)$ isomorphic to the projection of $H$ to $\GL_2(\Z/1560\Z)$.
The table below list all primes $\ell$ for which the Serre invariants associated to the mod-$\ell$ Galois representation are exceptional.
| $\ell$ | Reduction type | Serre weight | Serre conductor |
|---|---|---|---|
| $2$ | additive | $2$ | \( 12675 = 3 \cdot 5^{2} \cdot 13^{2} \) |
| $3$ | split multiplicative | $4$ | \( 135200 = 2^{5} \cdot 5^{2} \cdot 13^{2} \) |
| $5$ | additive | $14$ | \( 16224 = 2^{5} \cdot 3 \cdot 13^{2} \) |
| $13$ | additive | $98$ | \( 2400 = 2^{5} \cdot 3 \cdot 5^{2} \) |
Isogenies
This curve has non-trivial cyclic isogenies of degree $d$ for $d=$
2 and 4.
Its isogeny class 405600fe
consists of 4 curves linked by isogenies of
degrees dividing 4.
Twists
The minimal quadratic twist of this elliptic curve is 1248h3, its twist by $65$.
Iwasawa invariants
No Iwasawa invariant data is available for this curve.
$p$-adic regulators
$p$-adic regulators are not yet computed for curves that are not $\Gamma_0$-optimal.