Properties

Label 1-280-280.69-r1-0-0
Degree $1$
Conductor $280$
Sign $1$
Analytic cond. $30.0901$
Root an. cond. $30.0901$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 9-s − 11-s − 13-s + 17-s + 19-s − 23-s − 27-s − 29-s − 31-s + 33-s + 37-s + 39-s − 41-s + 43-s + 47-s − 51-s + 53-s − 57-s + 59-s + 61-s + 67-s + 69-s + 71-s + 73-s + 79-s + 81-s + ⋯
L(s)  = 1  − 3-s + 9-s − 11-s − 13-s + 17-s + 19-s − 23-s − 27-s − 29-s − 31-s + 33-s + 37-s + 39-s − 41-s + 43-s + 47-s − 51-s + 53-s − 57-s + 59-s + 61-s + 67-s + 69-s + 71-s + 73-s + 79-s + 81-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 280 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(280\)    =    \(2^{3} \cdot 5 \cdot 7\)
Sign: $1$
Analytic conductor: \(30.0901\)
Root analytic conductor: \(30.0901\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{280} (69, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 280,\ (1:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.036313191\)
\(L(\frac12)\) \(\approx\) \(1.036313191\)
\(L(1)\) \(\approx\) \(0.7509842836\)
\(L(1)\) \(\approx\) \(0.7509842836\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
7 \( 1 \)
good3 \( 1 - T \)
11 \( 1 - T \)
13 \( 1 - T \)
17 \( 1 + T \)
19 \( 1 + T \)
23 \( 1 - T \)
29 \( 1 - T \)
31 \( 1 - T \)
37 \( 1 + T \)
41 \( 1 - T \)
43 \( 1 + T \)
47 \( 1 + T \)
53 \( 1 + T \)
59 \( 1 + T \)
61 \( 1 + T \)
67 \( 1 + T \)
71 \( 1 + T \)
73 \( 1 + T \)
79 \( 1 + T \)
83 \( 1 - T \)
89 \( 1 - T \)
97 \( 1 + T \)
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   \(L(s) = \displaystyle\prod_p \ (1 - \alpha_{p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−25.3483861660241312048265784897, −24.14810134012836111875180193870, −23.72123309368622894187468053763, −22.600110359053398240858954658407, −21.954615974316446452411210053452, −21.00195801443738289667496315346, −19.988673135709712473922961788276, −18.66674470566623331820341404342, −18.15238404677770442203636246105, −17.04597309992957598752004950112, −16.317546172077968592974945024302, −15.41483877585247123765538331835, −14.26395274226807174975302474976, −13.023084968141439516557514435514, −12.23257421851890366442624531660, −11.345351386819402741143704520265, −10.25107861522765682790130608499, −9.58541897791053040555980484876, −7.8444584284517010096034187276, −7.164891206540729639032036712232, −5.69400864325719275211064928449, −5.16940754523429893265909483831, −3.79172986982335633751636325007, −2.22607177487909463762206315362, −0.64271518477675268997729318603, 0.64271518477675268997729318603, 2.22607177487909463762206315362, 3.79172986982335633751636325007, 5.16940754523429893265909483831, 5.69400864325719275211064928449, 7.164891206540729639032036712232, 7.8444584284517010096034187276, 9.58541897791053040555980484876, 10.25107861522765682790130608499, 11.345351386819402741143704520265, 12.23257421851890366442624531660, 13.023084968141439516557514435514, 14.26395274226807174975302474976, 15.41483877585247123765538331835, 16.317546172077968592974945024302, 17.04597309992957598752004950112, 18.15238404677770442203636246105, 18.66674470566623331820341404342, 19.988673135709712473922961788276, 21.00195801443738289667496315346, 21.954615974316446452411210053452, 22.600110359053398240858954658407, 23.72123309368622894187468053763, 24.14810134012836111875180193870, 25.3483861660241312048265784897

Graph of the $Z$-function along the critical line