Definition:Nu Function

Definition
The $\nu$ function is the function $\nu: \Z_{>0} \to \Z_{>0}$ is defined as:


 * $\forall n \in \Z_{>0}: \map \nu n = $ the number of types of group of order $n$

Also see

 * Finite Number of Groups of Given Finite Order: $\map \nu n$ is finite for any given $n \in \Z_{>0}$.