The **theta series**, $\Theta_L$, of an integral lattice $L$ is the generating function for the number of vectors $v\in L$ of norm $n$, where the norm is defined as $\langle v,v\rangle=v^tAv$ where $A$ is a Gram matrix for $L$.

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- Review status: reviewed
- Last edited by Kiran S. Kedlaya on 2018-06-27 09:42:03

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- 2018-06-27 09:42:03 by Kiran S. Kedlaya (Reviewed)