Properties

Label 1-260-260.259-r1-0-0
Degree $1$
Conductor $260$
Sign $1$
Analytic cond. $27.9408$
Root an. cond. $27.9408$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 7-s + 9-s + 11-s − 17-s + 19-s − 21-s + 23-s + 27-s + 29-s + 31-s + 33-s + 37-s − 41-s + 43-s − 47-s + 49-s − 51-s − 53-s + 57-s + 59-s + 61-s − 63-s − 67-s + 69-s + 71-s + 73-s + ⋯
L(s)  = 1  + 3-s − 7-s + 9-s + 11-s − 17-s + 19-s − 21-s + 23-s + 27-s + 29-s + 31-s + 33-s + 37-s − 41-s + 43-s − 47-s + 49-s − 51-s − 53-s + 57-s + 59-s + 61-s − 63-s − 67-s + 69-s + 71-s + 73-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 260 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 260 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(260\)    =    \(2^{2} \cdot 5 \cdot 13\)
Sign: $1$
Analytic conductor: \(27.9408\)
Root analytic conductor: \(27.9408\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{260} (259, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 260,\ (1:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(2.794686369\)
\(L(\frac12)\) \(\approx\) \(2.794686369\)
\(L(1)\) \(\approx\) \(1.558666443\)
\(L(1)\) \(\approx\) \(1.558666443\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
13 \( 1 \)
good3 \( 1 + T \)
7 \( 1 - T \)
11 \( 1 + T \)
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 \( 1 + T \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ (1 - \alpha_{p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−25.5027612389355468151327572607, −24.994760721560700353121042288497, −24.071591513501749663325852024363, −22.74387573155367473213811132884, −22.050714858996110861389444396315, −20.9796305837592956606137692630, −19.89332147839737164374480733280, −19.49669050114720999334750737454, −18.50283051060942508142848627382, −17.318546324845978916304751932761, −16.1270309622793331006883390254, −15.41339638944074275652689958453, −14.33694089080103506974825609766, −13.49190401906746977627230903837, −12.66436734651884907684905757019, −11.47762159524207867349435111946, −10.03554642324674520303253140194, −9.317625338618921657497391409504, −8.460735156289091030179115038193, −7.11702920681214076217149197981, −6.38198552586259302660607619646, −4.63782467362693299284394452443, −3.518156196496437855573716749134, −2.60072801849673366923250252001, −1.05325893699922446326153868033, 1.05325893699922446326153868033, 2.60072801849673366923250252001, 3.518156196496437855573716749134, 4.63782467362693299284394452443, 6.38198552586259302660607619646, 7.11702920681214076217149197981, 8.460735156289091030179115038193, 9.317625338618921657497391409504, 10.03554642324674520303253140194, 11.47762159524207867349435111946, 12.66436734651884907684905757019, 13.49190401906746977627230903837, 14.33694089080103506974825609766, 15.41339638944074275652689958453, 16.1270309622793331006883390254, 17.318546324845978916304751932761, 18.50283051060942508142848627382, 19.49669050114720999334750737454, 19.89332147839737164374480733280, 20.9796305837592956606137692630, 22.050714858996110861389444396315, 22.74387573155367473213811132884, 24.071591513501749663325852024363, 24.994760721560700353121042288497, 25.5027612389355468151327572607

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