Lattice Invariants
Dimension: | $7$ |
Determinant: | $10$ |
Level: | $20$ |
Density: | $0.132061223592984594784889518363\dots$ |
Group order: | $46080$ |
Hermite number: | $1.43937134600230403985757284993\dots$ |
Minimal vector length: | $2$ |
Kissing number: | $60$ |
Normalized minimal vectors: |
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Theta Series
Gram Matrix
$\left(\begin{array}{rrrrrrr} 2 & 1 & 1 & 1 & -1 & -1 & 1 \\ 1 & 2 & 0 & 1 & -1 & -1 & 0 \\ 1 & 0 & 2 & 0 & -1 & 0 & 0 \\ 1 & 1 & 0 & 2 & -1 & -1 & 1 \\ -1 & -1 & -1 & -1 & 2 & 1 & 0 \\ -1 & -1 & 0 & -1 & 1 & 2 & 0 \\ 1 & 0 & 0 & 1 & 0 & 0 & 4 \end{array}\right)$
Genus Structure
Class number: | $1$ |
$\left(\begin{array}{rrrrrrr} 2 & -1 & 1 & 0 & -1 & -1 & 1 \\ -1 & 2 & -1 & -1 & 1 & 1 & -1 \\ 1 & -1 & 2 & 0 & -1 & -1 & 0 \\ 0 & -1 & 0 & 2 & 0 & -1 & 1 \\ -1 & 1 & -1 & 0 & 2 & 1 & 0 \\ -1 & 1 & -1 & -1 & 1 & 2 & -1 \\ 1 & -1 & 0 & 1 & 0 & -1 & 4 \end{array}\right)$ | |
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