DirichletL[k, j, s] gives the Dirichlet L-function L(\[Chi], s) for the Dirichlet character \[Chi](n) with modulus k and index j.
Divisors[n] gives a list of the integers that divide n.
E
(Built-in Mathematica Symbol) E is the exponential constant E (base of natural logarithms), with numerical value \[TildeEqual] 2.71828.
EulerGamma is Euler's constant \[Gamma], with numerical value \[TildeEqual] 0.577216.
ExponentFunction is an option for NumberForm and related functions that determines the exponent to use in printing approximate real numbers.
FiniteAbelianGroupCount[n] gives the number of finite Abelian groups of order n.
FrobeniusSolve[{a_1, ..., a_n}, b] gives a list of all solutions of the Frobenius equation a_1 x_1 + ... + a_n x_n = b.FrobeniusSolve[{a_1, ..., a_n}, b, m] gives at most m ...
Get
(Built-in Mathematica Symbol) << name reads in a file, evaluating each expression in it, and returning the last one.
GraphCenter[g] gives the set of vertices with minimum eccentricity in the graph g.
GroupElementPosition[group, g] returns the position of the element g in the list of elements of group.GroupElementPosition[group, {g_1, ..., g_n}] returns the list of ...