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Properties

Label 3.758.1516.19.2
Class number $19$
Dimension $3$
Determinant $758$
Level $1516$

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Lattice Invariants

Dimension:$3$
Determinant:$758$
Level:$1516$
Density:$0.0537909250527148262149807370162\dots$
Group order:$4$
Hermite number:$0.219351324157593357636911777655\dots$
Minimal vector length:$2$
Kissing number:$2$
Normalized minimal vectors: $(1, 0, 0)$
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Theta Series

\(1 \) \(\mathstrut +\mathstrut 2 q^{2} \) \(\mathstrut +\mathstrut 4 q^{8} \) \(\mathstrut +\mathstrut 4 q^{10} \) \(\mathstrut +\mathstrut 4 q^{16} \) \(\mathstrut +\mathstrut 2 q^{18} \) \(\mathstrut +\mathstrut O(q^{21}) \)

Gram Matrix

$\left(\begin{array}{rrr} 2 & 0 & 1 \\ 0 & 8 & 1 \\ 1 & 1 & 48 \end{array}\right)$

Genus Structure

Genus representatives:
Class number:$19$
 
$\left(\begin{array}{rrr} 2 & 0 & 1 \\ 0 & 8 & 1 \\ 1 & 1 & 48 \end{array}\right)$, $\left(\begin{array}{rrr} 8 & -2 & 1 \\ -2 & 10 & 4 \\ 1 & 4 & 12 \end{array}\right)$, $\left(\begin{array}{rrr} 6 & 2 & -3 \\ 2 & 10 & -4 \\ -3 & -4 & 16 \end{array}\right)$, $\left(\begin{array}{rrr} 10 & -4 & 5 \\ -4 & 10 & -4 \\ 5 & -4 & 12 \end{array}\right)$, $\left(\begin{array}{rrr} 4 & 1 & 1 \\ 1 & 10 & 2 \\ 1 & 2 & 20 \end{array}\right)$, $\left(\begin{array}{rrr} 4 & 0 & -1 \\ 0 & 6 & 1 \\ -1 & 1 & 32 \end{array}\right)$, $\left(\begin{array}{rrr} 6 & 2 & 1 \\ 2 & 10 & 2 \\ 1 & 2 & 14 \end{array}\right)$, $\left(\begin{array}{rrr} 8 & 0 & 1 \\ 0 & 10 & -2 \\ 1 & -2 & 10 \end{array}\right)$, $\left(\begin{array}{rrr} 10 & -4 & -3 \\ -4 & 10 & 2 \\ -3 & 2 & 10 \end{array}\right)$ ...
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Comments

This lattice appears in the Brandt-Intrau-Schiemann Table of Even Ternary Quadratic Forms.