In Keisuke Arai's 2007 paper "On uniform lower bound of the Galois images associated to elliptic curves", which can be found on ArXiv, Arai makes the following citation:

K. Nakata. *On the 2-adic representation associated to an elliptic curve defined over $\mathbb{Q}$*. (Japanese), Number Theory Symposium in Kinosaki, December 1979, 221-235.

Arai says that the Galois action on the 2-adic Tate module of a non-CM curve over $\mathbb{Q}$ whose 2-torsion points are all defined over $\mathbb{Q}$ is studied in the above article.

The problem is that this article seems completely inaccessible to me, even after asking the help of several librarians. In addition, I can't read Japanese, so it's possible that getting hold of the article would be useless for me anyway.

So I'm wondering, can anyone here either somehow point me to a copy of the article (in English), or at least state the main results concerning 2-adic representations associated to elliptic curves over $\mathbb{Q}$ which can be found in the article? Thanks very much!

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