Odd unimodular lattices of rank 17 with no norm 1 vectors

Complete list here (see the main page for format details).

• 1 isometry class (0 exceptional), mass 1/49662885888000.
• 1 possible root systems, see here for statistics of reduced masses for each root system.
• Classified in: J. H. Conway & N. J. A. Sloane, The unimodular lattices of dimension up to 23, Pure and Applied Math. Comm. 35, 763–812 (1982).
• Construction(s): Rank 23 unimodular lattices with 12 norm 1 vectors.