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Finding Cremona label of the elliptic curve $y^2 = x^3 - x^2 - 1008x + 48512$

I want to find out the Cremona label of the elliptic curve given by $y^2 = x^3 - x^2 - 1008x + 48512.$ I have tried the following commands in Sage but getting errors.

1) E=EllipticCurve(QQ,[0, -1, 0, -1008, 48512]);E.cremona_label()

2) d=CremonaDatabase().data_from_coefficients([0, -1, 0, -1008, 48512]) d['cremona_label']

I would like to know why I am getting errors and also how to find out the Cremona label of the above elliptic curve.

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Finding Cremona label of the elliptic curve y2=x3−x2−1008x+48512y^2 = x^3 - x^2 - 1008x + 48512

Finding Cremona label of the elliptic curve $y^2 = x^3 - x^2 - 1008x + 48512$