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Fungrim entry: ea8c55

polessC{~}L ⁣(s,χ)={{1},χ=χq.1{},otherwise\mathop{\operatorname{poles}\,}\limits_{s \in \mathbb{C} \cup \left\{{\tilde \infty}\right\}} L\!\left(s, \chi\right) = \begin{cases} \left\{1\right\}, & \chi = \chi_{q \, . \, 1}\\\left\{\right\}, & \text{otherwise}\\ \end{cases}
Assumptions:qZ1andχGqq \in \mathbb{Z}_{\ge 1} \,\mathbin{\operatorname{and}}\, \chi \in G_{q}
TeX:
\mathop{\operatorname{poles}\,}\limits_{s \in \mathbb{C} \cup \left\{{\tilde \infty}\right\}} L\!\left(s, \chi\right) = \begin{cases} \left\{1\right\}, & \chi = \chi_{q \, . \, 1}\\\left\{\right\}, & \text{otherwise}\\ \end{cases}

q \in \mathbb{Z}_{\ge 1} \,\mathbin{\operatorname{and}}\, \chi \in G_{q}
Definitions:
Fungrim symbol Notation Short description
DirichletLL ⁣(s,χ)L\!\left(s, \chi\right) Dirichlet L-function
CCC\mathbb{C} Complex numbers
UnsignedInfinity~{\tilde \infty} Unsigned infinity
DirichletCharacterχq.\chi_{q \, . \, \ell} Dirichlet character
ZZGreaterEqualZn\mathbb{Z}_{\ge n} Integers greater than or equal to n
DirichletGroupGqG_{q} Dirichlet characters with given modulus
Source code for this entry:
Entry(ID("ea8c55"),
    Formula(Equal(Poles(DirichletL(s, chi), ForElement(s, Union(CC, Set(UnsignedInfinity)))), Cases(Tuple(Set(1), Equal(chi, DirichletCharacter(q, 1))), Tuple(Set(), Otherwise)))),
    Variables(q, chi),
    Assumptions(And(Element(q, ZZGreaterEqual(1)), Element(chi, DirichletGroup(q)))))

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2019-10-05 13:11:19.856591 UTC