Properties

Label 8.256.8.1.2
Class number $1$
Dimension $8$
Determinant $256$
Level $8$

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Lattice Invariants

Dimension:$8$
Determinant:$256$
Level:$8$
Density:$0.0802626177343159730646938776427\dots$
Group order:$5806080$
Hermite number:$1.50000000000000000000000000000\dots$
Minimal vector length:$3$
Kissing number:$56$
Normalized minimal vectors: $(1, 0, -2, -1, -1, -1, 1, 0)$, $(1, 0, -1, -1, -1, 0, 1, 0)$, $(1, 0, -1, 0, -1, -1, 1, 0)$, $(1, 0, -1, 0, -1, 0, 0, 0)$, $(1, 0, -1, 0, 0, 0, 1, 0)$, $(1, 0, 0, 0, 0, 0, 0, 0)$, $(1, 1, -1, 0, -1, 0, 1, 0)$, $(1, 1, 0, 0, -1, 0, 0, 0)$, $(1, 1, 0, 0, 0, 0, 1, 0)$, $(1, 1, 0, 0, 0, 1, 0, 0)$, $(1, 1, 0, 1, 0, 0, 0, 0)$, $(1, 1, 1, 1, 0, 1, 0, 0)$, $(0, 1, 0, 0, 0, 0, 0, 0)$ ...
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Theta Series

\(1 \) \(\mathstrut +\mathstrut 56 q^{3} \) \(\mathstrut +\mathstrut 128 q^{4} \) \(\mathstrut +\mathstrut 688 q^{7} \) \(\mathstrut +\mathstrut 1008 q^{8} \) \(\mathstrut +\mathstrut 2664 q^{11} \) \(\mathstrut +\mathstrut 3584 q^{12} \) \(\mathstrut +\mathstrut 7056 q^{15} \) \(\mathstrut +\mathstrut 8304 q^{16} \) \(\mathstrut +\mathstrut 13720 q^{19} \) \(\mathstrut +\mathstrut 16128 q^{20} \) \(\mathstrut +\mathstrut O(q^{21}) \)

Gram Matrix

$\left(\begin{array}{rrrrrrrr} 3 & -1 & 1 & -1 & 1 & -1 & -1 & 0 \\ -1 & 3 & -1 & -1 & 1 & -1 & -1 & 0 \\ 1 & -1 & 3 & -1 & -1 & -1 & 1 & 0 \\ -1 & -1 & -1 & 3 & -1 & 1 & 1 & 0 \\ 1 & 1 & -1 & -1 & 3 & -1 & -1 & 0 \\ -1 & -1 & -1 & 1 & -1 & 3 & 1 & 0 \\ -1 & -1 & 1 & 1 & -1 & 1 & 3 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 4 \end{array}\right)$

Genus Structure

Genus representatives:
Class number:$1$
 
$\left(\begin{array}{rrrrrrrr} 3 & 1 & 1 & -1 & -1 & 1 & -1 & 0 \\ 1 & 3 & -1 & 1 & -1 & 1 & -1 & 0 \\ 1 & -1 & 3 & -1 & 1 & 1 & -1 & 0 \\ -1 & 1 & -1 & 3 & -1 & -1 & -1 & 0 \\ -1 & -1 & 1 & -1 & 3 & 1 & 1 & 0 \\ 1 & 1 & 1 & -1 & 1 & 3 & -1 & 0 \\ -1 & -1 & -1 & -1 & 1 & -1 & 3 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 4 \end{array}\right)$
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