Differentials of the Voronoi complex of perfect forms
from Philippe Elbaz-Vincent, Institut Fourier, Grenoble, France.

From Jean-Guillaume Dumas' Sparse Integer Matrix Collection,
http://ljk.imag.fr/membres/Jean-Guillaume.Dumas/simc.html

http://www-fourier.ujf-grenoble.fr/-Informations-personnelles-.html?P=pev

D_5  Smith Invariants = [ 1:92 3:2 18:1 ]
D_6  Smith Invariants = [ 1:338 2:1 ]
D_7  Smith Invariants = [ 1:621 2:5 6:1 60:2 ]
D_8  Smith Invariants = [ 1:637 3:3 12:1 ]
D_9  Smith Invariants = [ 1:491 ]
D_10 Smith Invariants = [ 1:318 2:3 4:2 ]
D_11 Smith Invariants = [ 1:129 2:6 6:1 ]