Noun
Kronecker symbol (plural Kronecker symbols)
English Wikipedia has an article on:Kronecker symbolWikipedia
(number theory)
(
a
n
)
{\displaystyle \left({\frac {a}{n}}\right)}
or
(
a
|
n
)
{\displaystyle (a|n)}
, a generalization of the Jacobi symbol to all integers
n
{\displaystyle n}
.