Properties

Label 8.5.5.1.1
Class number $1$
Dimension $8$
Determinant $5$
Level $5$

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Lattice Invariants

Dimension:$8$
Determinant:$5$
Level:$5$
Density:$0.113444452697132670874861585579\dots$
Group order:$5806080$
Hermite number:$1.63553086791588500914978052293\dots$
Minimal vector length:$2$
Kissing number:$126$
Normalized minimal vectors: $(1, -1, 0, 1, -1, 0, 0, 0)$, $(1, -1, 1, 0, -1, -1, 0, 0)$, $(1, -1, 1, 0, -1, 0, 0, 0)$, $(1, -1, 1, 0, 0, -1, 0, 0)$, $(1, -1, 1, 1, -1, 0, 0, 0)$, $(1, -1, 1, 1, -1, 0, 1, 0)$, $(1, 0, 0, -1, 0, -1, -1, 0)$, $(1, 0, 0, 0, -1, 0, -1, 0)$, $(1, 0, 0, 0, -1, 0, 0, 0)$, $(1, 0, 0, 0, 0, -1, -1, 0)$, $(1, 0, 0, 0, 0, -1, 0, 0)$, $(1, 0, 0, 0, 0, 0, -1, 0)$, $(1, 0, 0, 0, 0, 0, 0, 0)$ ...
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Theta Series

\(1 \) \(\mathstrut +\mathstrut 126 q^{2} \) \(\mathstrut +\mathstrut 868 q^{4} \) \(\mathstrut +\mathstrut 3224 q^{6} \) \(\mathstrut +\mathstrut 7182 q^{8} \) \(\mathstrut +\mathstrut 15626 q^{10} \) \(\mathstrut +\mathstrut 22932 q^{12} \) \(\mathstrut +\mathstrut 42408 q^{14} \) \(\mathstrut +\mathstrut 56420 q^{16} \) \(\mathstrut +\mathstrut 88578 q^{18} \) \(\mathstrut +\mathstrut 109368 q^{20} \) \(\mathstrut +\mathstrut O(q^{21}) \)

Gram Matrix

$\left(\begin{array}{rrrrrrrr} 2 & -1 & -1 & -1 & 1 & 1 & 1 & -1 \\ -1 & 2 & 1 & 1 & -1 & -1 & 0 & 1 \\ -1 & 1 & 2 & 1 & 0 & 0 & -1 & 0 \\ -1 & 1 & 1 & 2 & 0 & -1 & -1 & 0 \\ 1 & -1 & 0 & 0 & 2 & 1 & 0 & -1 \\ 1 & -1 & 0 & -1 & 1 & 2 & 0 & -1 \\ 1 & 0 & -1 & -1 & 0 & 0 & 2 & 0 \\ -1 & 1 & 0 & 0 & -1 & -1 & 0 & 4 \end{array}\right)$

Genus Structure

Genus representatives:
Class number:$1$
 
$\left(\begin{array}{rrrrrrrr} 2 & -1 & 1 & -1 & 1 & 1 & 1 & 1 \\ -1 & 2 & -1 & 1 & -1 & -1 & -1 & -1 \\ 1 & -1 & 2 & 0 & 1 & 0 & 1 & 1 \\ -1 & 1 & 0 & 2 & 0 & -1 & -1 & -1 \\ 1 & -1 & 1 & 0 & 2 & 1 & 1 & 1 \\ 1 & -1 & 0 & -1 & 1 & 2 & 1 & 1 \\ 1 & -1 & 1 & -1 & 1 & 1 & 2 & 1 \\ 1 & -1 & 1 & -1 & 1 & 1 & 1 & 4 \end{array}\right)$
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