Properties

Label 5.10.20.1.1
Class number $1$
Dimension $5$
Determinant $10$
Level $20$

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Lattice Invariants

Dimension:$5$
Determinant:$10$
Level:$20$
Density:$0.294254751358225404137917989901\dots$
Group order:$480$
Hermite number:$1.26191468896038649886872027324\dots$
Minimal vector length:$2$
Kissing number:$22$
Normalized minimal vectors: $(1, 0, -1, -1, 1)$, $(1, 0, 0, -1, 0)$, $(1, 0, 0, -1, 1)$, $(1, 0, 0, 0, 0)$, $(0, 1, 0, 0, 0)$, $(0, 0, 1, 0, -1)$, $(0, 0, 1, 0, 0)$, $(0, 0, 1, 1, -1)$, $(0, 0, 0, 1, -1)$, $(0, 0, 0, 1, 0)$, $(0, 0, 0, 0, 1)$ ...
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Theta Series

\(1 \) \(\mathstrut +\mathstrut 22 q^{2} \) \(\mathstrut +\mathstrut 70 q^{4} \) \(\mathstrut +\mathstrut 120 q^{6} \) \(\mathstrut +\mathstrut 182 q^{8} \) \(\mathstrut +\mathstrut 280 q^{10} \) \(\mathstrut +\mathstrut 340 q^{12} \) \(\mathstrut +\mathstrut 380 q^{14} \) \(\mathstrut +\mathstrut 630 q^{16} \) \(\mathstrut +\mathstrut 682 q^{18} \) \(\mathstrut +\mathstrut 530 q^{20} \) \(\mathstrut +\mathstrut O(q^{21}) \)

Gram Matrix

$\left(\begin{array}{rrrrr} 2 & 0 & 0 & 1 & 0 \\ 0 & 2 & 0 & 0 & 0 \\ 0 & 0 & 2 & 0 & 1 \\ 1 & 0 & 0 & 2 & 1 \\ 0 & 0 & 1 & 1 & 2 \end{array}\right)$

Genus Structure

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