Properties

Label 3.568.1136.16.13
Class number $16$
Dimension $3$
Determinant $568$
Level $1136$

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Lattice Invariants

Dimension:$3$
Determinant:$568$
Level:$1136$
Density:$0.497117938506256355113357881712\dots$
Group order:$2$
Hermite number:$0.965992768109033435879487126915\dots$
Minimal vector length:$8$
Kissing number:$4$
Normalized minimal vectors: $(1, 0, 0)$, $(0, 1, 0)$
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Theta Series

\(1 \) \(\mathstrut +\mathstrut 4 q^{8} \) \(\mathstrut +\mathstrut 6 q^{12} \) \(\mathstrut +\mathstrut 2 q^{14} \) \(\mathstrut +\mathstrut 2 q^{18} \) \(\mathstrut +\mathstrut 2 q^{20} \) \(\mathstrut +\mathstrut O(q^{21}) \)

Gram Matrix

$\left(\begin{array}{rrr} 8 & 2 & 4 \\ 2 & 8 & 3 \\ 4 & 3 & 12 \end{array}\right)$

Genus Structure

Genus representatives:
Class number:$16$
 
$\left(\begin{array}{rrr} 8 & 2 & 4 \\ 2 & 8 & 3 \\ 4 & 3 & 12 \end{array}\right)$, $\left(\begin{array}{rrr} 8 & 2 & -2 \\ 2 & 8 & -1 \\ -2 & -1 & 10 \end{array}\right)$, $\left(\begin{array}{rrr} 8 & 0 & 3 \\ 0 & 8 & -4 \\ 3 & -4 & 12 \end{array}\right)$, $\left(\begin{array}{rrr} 8 & -4 & 4 \\ -4 & 10 & 1 \\ 4 & 1 & 12 \end{array}\right)$, $\left(\begin{array}{rrr} 2 & 0 & -1 \\ 0 & 6 & 1 \\ -1 & 1 & 48 \end{array}\right)$, $\left(\begin{array}{rrr} 8 & 4 & -3 \\ 4 & 8 & 1 \\ -3 & 1 & 14 \end{array}\right)$, $\left(\begin{array}{rrr} 4 & 0 & 1 \\ 0 & 4 & 1 \\ 1 & 1 & 36 \end{array}\right)$, $\left(\begin{array}{rrr} 6 & 0 & -1 \\ 0 & 8 & 0 \\ -1 & 0 & 12 \end{array}\right)$, $\left(\begin{array}{rrr} 4 & 0 & -1 \\ 0 & 8 & -4 \\ -1 & -4 & 20 \end{array}\right)$, $\left(\begin{array}{rrr} 6 & 2 & 3 \\ 2 & 6 & 3 \\ 3 & 3 & 20 \end{array}\right)$, $\left(\begin{array}{rrr} 8 & 4 & -1 \\ 4 & 8 & 0 \\ -1 & 0 & 12 \end{array}\right)$, $\left(\begin{array}{rrr} 2 & 1 & 1 \\ 1 & 8 & 4 \\ 1 & 4 & 40 \end{array}\right)$, $\left(\begin{array}{rrr} 8 & 0 & 0 \\ 0 & 8 & 3 \\ 0 & 3 & 10 \end{array}\right)$, $\left(\begin{array}{rrr} 4 & 0 & 1 \\ 0 & 8 & 0 \\ 1 & 0 & 18 \end{array}\right)$, $\left(\begin{array}{rrr} 2 & -1 & 0 \\ -1 & 8 & 1 \\ 0 & 1 & 38 \end{array}\right)$, $\left(\begin{array}{rrr} 2 & 0 & 1 \\ 0 & 8 & 0 \\ 1 & 0 & 36 \end{array}\right)$
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Comments

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