OFFSET
1,2
REFERENCES
Peter Engel, Geometric Crystallography, D. Reidel, Dordrecht, Holland, 1986. ISBN 90-277-2339-7. See Table 6.3, p. 111.
LINKS
J. H. Conway and N. J. A. Sloane, Low-Dimensional Lattices II: Subgroups of GL(n,Z), Proc. Royal Soc. London, A 419 (1988), 29-68, doi:10.1098/rspa.1988.0095.
Bernd Souvignier, Irreducible finite integral matrix groups of degree 8 and 10, Math. Comp. 63 (1994), 335-350.
CROSSREFS
KEYWORD
nonn,more,nice
AUTHOR
Frederick G. Schmitt (fred(AT)marin.cc.ca.us), Mar 16 2000
EXTENSIONS
a(10) from Souvignier and a(11) from Conway & Sloane added by Andrey Zabolotskiy, Apr 17 2023
STATUS
approved