Lattice Invariants
Dimension: | $3$ |
Determinant: | $198$ |
Level: | $396$ |
Density: | $0.297684357441274229628463167927\dots$ |
Group order: | $2$ |
Hermite number: | $0.686285665600119083064545867445\dots$ |
Minimal vector length: | $4$ |
Kissing number: | $2$ |
Normalized minimal vectors: |
|
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Theta Series
Gram Matrix
$\left(\begin{array}{rrr} 4 & 1 & 2 \\ 1 & 6 & 2 \\ 2 & 2 & 10 \end{array}\right)$
Genus Structure
Class number: | $5$ |
$\left(\begin{array}{rrr} 4 & 1 & 2 \\ 1 & 6 & 2 \\ 2 & 2 & 10 \end{array}\right)$, $\left(\begin{array}{rrr} 6 & -3 & 1 \\ -3 & 6 & -2 \\ 1 & -2 & 8 \end{array}\right)$, $\left(\begin{array}{rrr} 2 & 0 & -1 \\ 0 & 10 & -4 \\ -1 & -4 & 12 \end{array}\right)$, $\left(\begin{array}{rrr} 2 & 0 & 0 \\ 0 & 10 & -1 \\ 0 & -1 & 10 \end{array}\right)$, $\left(\begin{array}{rrr} 2 & 1 & 0 \\ 1 & 6 & 0 \\ 0 & 0 & 18 \end{array}\right)$ | |
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Comments
This lattice appears in the Brandt-Intrau-Schiemann Table of Even Ternary Quadratic Forms.