Properties

Label 7.2985984.12.1.1
Class number $1$
Dimension $7$
Determinant $2985984$
Level $12$

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Lattice Invariants

Dimension:$7$
Determinant:$2985984$
Level:$12$
Density:$0.0309343894179701109202927330051\dots$
Group order:$46080$
Hermite number:$0.950774423484919226989413790301\dots$
Minimal vector length:$8$
Kissing number:$6$
Normalized minimal vectors: $(0, 0, 0, 0, 0, 1, 0)$, $(0, 0, 0, 0, 0, 1, 1)$, $(0, 0, 0, 0, 0, 0, 1)$
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Theta Series

\(1 \) \(\mathstrut +\mathstrut 6 q^{8} \) \(\mathstrut +\mathstrut 10 q^{12} \) \(\mathstrut +\mathstrut 32 q^{15} \) \(\mathstrut +\mathstrut 60 q^{20} \) \(\mathstrut +\mathstrut O(q^{21}) \)

Gram Matrix

$\left(\begin{array}{rrrrrrr} 12 & 0 & 6 & -6 & -6 & 0 & 0 \\ 0 & 12 & 6 & -6 & -6 & 0 & 0 \\ 6 & 6 & 15 & -9 & -9 & 0 & 0 \\ -6 & -6 & -9 & 15 & 3 & 0 & 0 \\ -6 & -6 & -9 & 3 & 15 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 8 & -4 \\ 0 & 0 & 0 & 0 & 0 & -4 & 8 \end{array}\right)$

Genus Structure

Genus representatives:
Class number:$1$
 
$\left(\begin{array}{rrrrrrr} 8 & -4 & 0 & 0 & 0 & 0 & 0 \\ -4 & 8 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 12 & 0 & -6 & 6 & -6 \\ 0 & 0 & 0 & 12 & -6 & 6 & -6 \\ 0 & 0 & -6 & -6 & 15 & -9 & 3 \\ 0 & 0 & 6 & 6 & -9 & 15 & -9 \\ 0 & 0 & -6 & -6 & 3 & -9 & 15 \end{array}\right)$
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