This file is indexed.

/usr/share/sagemath/ellcurves/rank4 is in sagemath-database-elliptic-curves 0.7+dfsg-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

1
234446 a 1 [1,-1,0,-79,289] 4 1