Lattice Invariants
Dimension: | $1$ |
Determinant: | $2$ |
Level: | $4$ |
Density: | $1.00000000000000000000000000000\dots$ |
Group order: | $2$ |
Hermite number: | $1.00000000000000000000000000000\dots$ |
Minimal vector length: | $2$ |
Kissing number: | $2$ |
Normalized minimal vectors: | $(1)$ |
Download this vector for gp, magma, sage |
Theta Series
Gram Matrix
$\left(\begin{array}{r} 2 \end{array}\right)$
Genus Structure
Class number: | $1$ |
$(2)$ | |
Download this matrix for gp, magma, sage |
Comments
This integral lattice is the A1 lattice.
This is a root lattice.