Lattice Invariants
Dimension: | $2$ |
Determinant: | $13$ |
Level: | $26$ |
Density: | $0.435660515351499142020501139431\dots$ |
Group order: | $4$ |
Hermite number: | $0.554700196225229122018341733457\dots$ |
Minimal vector length: | $2$ |
Kissing number: | $2$ |
Normalized minimal vectors: |
|
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Theta Series
Gram Matrix
$\left(\begin{array}{rr} 2 & 1 \\ 1 & 7 \end{array}\right)$
Genus Structure
Class number: | $1$ |
$\left(\begin{array}{rr} 2 & 1 \\ 1 & 7 \end{array}\right)$ | |
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