This file is indexed.

/usr/share/sagemath/ellcurves/rank5 is in sagemath-database-elliptic-curves 0.8-1.

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

The actual contents of the file can be viewed below.

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19047851 a 1 [0,0,1,-79,342] 5 1
20384311 a 1 [1,0,0,-22,219] 5 1
22966597 a 1 [0,0,1,-247,1476] 5 1
34672310 a 1 [1,-1,0,-415,3481] 5 1
37396136 a 1 [0,0,0,-532,4420] 5 1