Minimal Weierstrass equation
Minimal Weierstrass equation
Simplified equation
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\(y^2=x^3-x^2-60208x+67118912\)
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(homogenize, simplify) |
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\(y^2z=x^3-x^2z-60208xz^2+67118912z^3\)
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(dehomogenize, simplify) |
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\(y^2=x^3-4876875x+48915056250\)
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(homogenize, minimize) |
Mordell-Weil group structure
trivial
Invariants
| Conductor: | $N$ | = | \( 115600 \) | = | $2^{4} \cdot 5^{2} \cdot 17^{2}$ |
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| Discriminant: | $\Delta$ | = | $-1931005520000000000$ | = | $-1 \cdot 2^{13} \cdot 5^{10} \cdot 17^{6} $ |
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| j-invariant: | $j$ | = | \( -\frac{25}{2} \) | = | $-1 \cdot 2^{-1} \cdot 5^{2}$ |
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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: | $h_{\mathrm{Faltings}}$ | ≈ | $2.1883732126612220040885537170$ |
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| Stable Faltings height: | $h_{\mathrm{stable}}$ | ≈ | $-1.2625789002885816576207451577$ |
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| $abc$ quality: | $Q$ | ≈ | $1.0904350906962674$ | |||
| Szpiro ratio: | $\sigma_{m}$ | ≈ | $4.251755248278565$ | |||
BSD invariants
| Analytic rank: | $r_{\mathrm{an}}$ | = | $ 0$ |
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| Mordell-Weil rank: | $r$ | = | $ 0$ |
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| Regulator: | $\mathrm{Reg}(E/\Q)$ | = | $1$ |
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| Real period: | $\Omega$ | ≈ | $0.21660145439194662516284796386$ |
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| Tamagawa product: | $\prod_{p}c_p$ | = | $ 2 $ = $ 2\cdot1\cdot1 $ |
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| Torsion order: | $\#E(\Q)_{\mathrm{tor}}$ | = | $1$ |
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| Special value: | $ L(E,1)$ | ≈ | $0.43320290878389325032569592772 $ |
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| Analytic order of Ш: | Ш${}_{\mathrm{an}}$ | = | $1$ (exact) |
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BSD formula
$$\begin{aligned} 0.433202909 \approx L(E,1) & = \frac{\# ะจ(E/\Q)\cdot \Omega_E \cdot \mathrm{Reg}(E/\Q) \cdot \prod_p c_p}{\#E(\Q)_{\rm tor}^2} \\ & \approx \frac{1 \cdot 0.216601 \cdot 1.000000 \cdot 2}{1^2} \\ & \approx 0.433202909\end{aligned}$$
Modular invariants
Modular form 115600.2.a.x
For more coefficients, see the Downloads section to the right.
| Modular degree: | 1209600 |
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| $ \Gamma_0(N) $-optimal: | no | |
| Manin constant: | 1 |
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Local data at primes of bad reduction
This elliptic curve is not semistable. There are 3 primes $p$ of bad reduction:
| $p$ | Tamagawa number | Kodaira symbol | Reduction type | Root number | $\mathrm{ord}_p(N)$ | $\mathrm{ord}_p(\Delta)$ | $\mathrm{ord}_p(\mathrm{den}(j))$ |
|---|---|---|---|---|---|---|---|
| $2$ | $2$ | $I_{5}^{*}$ | additive | -1 | 4 | 13 | 1 |
| $5$ | $1$ | $II^{*}$ | additive | 1 | 2 | 10 | 0 |
| $17$ | $1$ | $I_0^{*}$ | additive | 1 | 2 | 6 | 0 |
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 |
|---|---|---|
| $2$ | 2G | 8.2.0.1 |
| $3$ | 3B | 3.4.0.1 |
| $5$ | 5B.4.2 | 5.12.0.2 |
The image $H:=\rho_E(\Gal(\overline{\Q}/\Q))$ of the adelic Galois representation has level \( 2040 = 2^{3} \cdot 3 \cdot 5 \cdot 17 \), index $384$, genus $9$, and generators
$\left(\begin{array}{rr} 1 & 0 \\ 510 & 1 \end{array}\right),\left(\begin{array}{rr} 1 & 1836 \\ 1020 & 1 \end{array}\right),\left(\begin{array}{rr} 766 & 1785 \\ 765 & 1 \end{array}\right),\left(\begin{array}{rr} 1529 & 510 \\ 1785 & 509 \end{array}\right),\left(\begin{array}{rr} 1021 & 1530 \\ 765 & 1531 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 1020 & 1 \end{array}\right),\left(\begin{array}{rr} 1361 & 680 \\ 1360 & 681 \end{array}\right),\left(\begin{array}{rr} 1799 & 0 \\ 0 & 2039 \end{array}\right),\left(\begin{array}{rr} 407 & 510 \\ 0 & 1631 \end{array}\right),\left(\begin{array}{rr} 681 & 850 \\ 1360 & 681 \end{array}\right),\left(\begin{array}{rr} 1921 & 120 \\ 1920 & 1921 \end{array}\right),\left(\begin{array}{rr} 1 & 1632 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 1 & 1122 \\ 1530 & 1021 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 120 & 1 \end{array}\right)$.
The torsion field $K:=\Q(E[2040])$ is a degree-$7219445760$ Galois extension of $\Q$ with $\Gal(K/\Q)$ isomorphic to the projection of $H$ to $\GL_2(\Z/2040\Z)$.
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 | $4$ | \( 7225 = 5^{2} \cdot 17^{2} \) |
| $5$ | additive | $2$ | \( 4624 = 2^{4} \cdot 17^{2} \) |
| $17$ | additive | $146$ | \( 400 = 2^{4} \cdot 5^{2} \) |
Isogenies
This curve has non-trivial cyclic isogenies of degree $d$ for $d=$
3, 5 and 15.
Its isogeny class 115600bq
consists of 4 curves linked by isogenies of
degrees dividing 15.
Twists
The minimal quadratic twist of this elliptic curve is 50a1, its twist by $-340$.
Growth of torsion in number fields
The number fields $K$ of degree less than 24 such that $E(K)_{\rm tors}$ is strictly larger than $E(\Q)_{\rm tors}$ (which is trivial) are as follows:
| $[K:\Q]$ | $K$ | $E(K)_{\rm tors}$ | Base change curve |
|---|---|---|---|
| $2$ | \(\Q(\sqrt{-85}) \) | \(\Z/3\Z\) | not in database |
| $3$ | 3.1.200.1 | \(\Z/2\Z\) | not in database |
| $4$ | 4.4.578000.1 | \(\Z/5\Z\) | not in database |
| $6$ | 6.0.320000.1 | \(\Z/2\Z \oplus \Z/2\Z\) | not in database |
| $6$ | 6.2.106120800000.2 | \(\Z/3\Z\) | not in database |
| $6$ | 6.0.15721600000.5 | \(\Z/6\Z\) | not in database |
| $8$ | 8.0.334084000000.3 | \(\Z/15\Z\) | not in database |
| $10$ | 10.0.227177120000000000.1 | \(\Z/5\Z\) | not in database |
| $12$ | deg 12 | \(\Z/4\Z\) | not in database |
| $12$ | deg 12 | \(\Z/3\Z \oplus \Z/3\Z\) | not in database |
| $12$ | deg 12 | \(\Z/10\Z\) | not in database |
| $12$ | deg 12 | \(\Z/2\Z \oplus \Z/6\Z\) | not in database |
| $18$ | 18.0.5880751757048236420224000000000000000.1 | \(\Z/9\Z\) | not in database |
| $18$ | 18.2.1223774790269246373888000000000000000.1 | \(\Z/6\Z\) | not in database |
| $20$ | 20.0.1290236096287360000000000000000000000.1 | \(\Z/15\Z\) | not in database |
We only show fields where the torsion growth is primitive. For fields not in the database, click on the degree shown to reveal the defining polynomial.
Iwasawa invariants
| $p$ | 2 | 3 | 5 | 7 | 11 | 13 | 17 | 19 | 23 | 29 | 31 | 37 | 41 | 43 | 47 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reduction type | add | ord | add | ord | ord | ord | add | ord | ord | ss | ord | ord | ord | ord | ord |
| $\lambda$-invariant(s) | - | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0,0 | 0 | 0 | 0 | 0 | 0 |
| $\mu$-invariant(s) | - | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0,0 | 0 | 0 | 0 | 0 | 0 |
An entry - indicates that the invariants are not computed because the reduction is additive.
$p$-adic regulators
All $p$-adic regulators are identically $1$ since the rank is $0$.