Length of a module
= Length of a module
{title2=$\operatorname{length}_R(M)$}
{wiki=Length_of_a_module}
The length of a module is the number of simple factors in a composition series. It is additive across short exact sequences.
= Length of a module
{title2=$\operatorname{length}_R(M)$}
{wiki=Length_of_a_module}
The length of a module is the number of simple factors in a composition series. It is additive across short exact sequences.