Lattice Invariants
Dimension: | $4$ |
Determinant: | $21$ |
Level: | $21$ |
Density: | $0.269215531233698123002851316577\dots$ |
Group order: | $48$ |
Hermite number: | $0.934275955456400218421595139034\dots$ |
Minimal vector length: | $2$ |
Kissing number: | $12$ |
Normalized minimal vectors: |
$(1, -1, -1, 0)$, $(1, -1, 0, 0)$, $(1, 0, -1, 0)$, $(1, 0, 0, 0)$, $(0, 1, 0, 0)$, $(0, 0, 1, 0)$
|
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magma,
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$\left(\begin{array}{rrrr}
2 & 1 & 1 & 0 \\
1 & 2 & 0 & 1 \\
1 & 0 & 2 & 0 \\
0 & 1 & 0 & 6
\end{array}\right)$