A030028 - OEIS

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A030028

Theta series of hypothetical extremal 12-dimensional strongly 21-modular lattice.

%I #8 Mar 03 2021 10:25:23

%S 1,0,0,0,64,194,474,864

%N Theta series of hypothetical extremal 12-dimensional strongly 21-modular lattice.

%H R. Scharlau and R. Schulze-Pillot, <a href="https://www.math.uni-sb.de/ag/schulze/Preprints/extfin_rev_2013.pdf">Extremal lattices</a>, in ``Algorithmic Algebra and Number Theory'', edited by B. H. Matzat, G.-M. Greuel, G. Hiss, 139-170, Springer Verlag, 1999.

%K nonn,more

%O 0,5

%A _N. J. A. Sloane_.