Lattice Invariants
Dimension: | $7$ |
Determinant: | $729$ |
Level: | $6$ |
Density: | $0.0154671947089850554601463665025\dots$ |
Group order: | $46080$ |
Hermite number: | $0.779953875172457924308650483676\dots$ |
Minimal vector length: | $2$ |
Kissing number: | $6$ |
Normalized minimal vectors: |
$(1, -1, 0, 0, 0, 0, 0)$, $(1, 0, 0, 0, 0, 0, 0)$, $(0, 1, 0, 0, 0, 0, 0)$
|
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$\left(\begin{array}{rrrrrrr}
2 & 1 & 0 & 0 & 0 & 0 & 0 \\
1 & 2 & 0 & 0 & 0 & 0 & 0 \\
0 & 0 & 3 & 0 & 0 & 0 & 0 \\
0 & 0 & 0 & 3 & 0 & 0 & 0 \\
0 & 0 & 0 & 0 & 3 & 0 & 0 \\
0 & 0 & 0 & 0 & 0 & 3 & 3 \\
0 & 0 & 0 & 0 & 0 & 3 & 6
\end{array}\right)$
Class number: | $1$ |
|
Genus representatives:
$\left(\begin{array}{rrrrrrr}
2 & 1 & 0 & 0 & 0 & 0 & 0 \\
1 & 2 & 0 & 0 & 0 & 0 & 0 \\
0 & 0 & 3 & 0 & 0 & 0 & 0 \\
0 & 0 & 0 & 3 & 0 & 0 & 0 \\
0 & 0 & 0 & 0 & 3 & 0 & 0 \\
0 & 0 & 0 & 0 & 0 & 3 & 0 \\
0 & 0 & 0 & 0 & 0 & 0 & 3
\end{array}\right)$ |
| Download this matrix for
gp,
magma,
sage |