Nilpotent Group
A Group 
for which the chain of groups
with
(equal to the Center of 
) terminates finitely with 
is called anilpotent group.See also Center (Group), Nilpotent Lie Group- Structure Factor
- Struve Differential Equation
- Struve Function
- Student's t-Distribution
- Student's z-Distribution
- Study's Theorem
- Sturm Chain
- Sturm Function
- Sturmian Separation Theorem
- Sturmian Sequence
- Sturm-Liouville Equation
- Sturm-Liouville Theory
- Sturm Theorem
- Stäckel Determinant
- Stérmer Number
- Stöhr Sequence
- Subalgebra
- Subanalytic
- Subfactorial
- Subfield
- Subgraph
- Subgroup
- Sublime Number
- Submanifold
- Submatrix