Properties

Label 2-810-1.1-c1-0-7
Degree $2$
Conductor $810$
Sign $1$
Analytic cond. $6.46788$
Root an. cond. $2.54320$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 4-s + 5-s − 2.37·7-s + 8-s + 10-s − 1.37·11-s + 4.74·13-s − 2.37·14-s + 16-s + 7.37·17-s + 3.37·19-s + 20-s − 1.37·22-s + 4.37·23-s + 25-s + 4.74·26-s − 2.37·28-s + 4.37·29-s − 6.74·31-s + 32-s + 7.37·34-s − 2.37·35-s − 4·37-s + 3.37·38-s + 40-s + 3·41-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.5·4-s + 0.447·5-s − 0.896·7-s + 0.353·8-s + 0.316·10-s − 0.413·11-s + 1.31·13-s − 0.634·14-s + 0.250·16-s + 1.78·17-s + 0.773·19-s + 0.223·20-s − 0.292·22-s + 0.911·23-s + 0.200·25-s + 0.930·26-s − 0.448·28-s + 0.811·29-s − 1.21·31-s + 0.176·32-s + 1.26·34-s − 0.400·35-s − 0.657·37-s + 0.547·38-s + 0.158·40-s + 0.468·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 810 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 810 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(810\)    =    \(2 \cdot 3^{4} \cdot 5\)
Sign: $1$
Analytic conductor: \(6.46788\)
Root analytic conductor: \(2.54320\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 810,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.543764488\)
\(L(\frac12)\) \(\approx\) \(2.543764488\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
3 \( 1 \)
5 \( 1 - T \)
good7 \( 1 + 2.37T + 7T^{2} \)
11 \( 1 + 1.37T + 11T^{2} \)
13 \( 1 - 4.74T + 13T^{2} \)
17 \( 1 - 7.37T + 17T^{2} \)
19 \( 1 - 3.37T + 19T^{2} \)
23 \( 1 - 4.37T + 23T^{2} \)
29 \( 1 - 4.37T + 29T^{2} \)
31 \( 1 + 6.74T + 31T^{2} \)
37 \( 1 + 4T + 37T^{2} \)
41 \( 1 - 3T + 41T^{2} \)
43 \( 1 + 11.3T + 43T^{2} \)
47 \( 1 - 1.62T + 47T^{2} \)
53 \( 1 + 11.4T + 53T^{2} \)
59 \( 1 - 1.37T + 59T^{2} \)
61 \( 1 - 9.11T + 61T^{2} \)
67 \( 1 + 7T + 67T^{2} \)
71 \( 1 - 6T + 71T^{2} \)
73 \( 1 + 14.1T + 73T^{2} \)
79 \( 1 - 2T + 79T^{2} \)
83 \( 1 + 1.62T + 83T^{2} \)
89 \( 1 - 1.11T + 89T^{2} \)
97 \( 1 + 2.62T + 97T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.25993502607387682591666682057, −9.587789180532392215662842182554, −8.546210784056090088603607229462, −7.50631751385539518485989862848, −6.57917823756672287546515249020, −5.77119144029561517694334490406, −5.07163255207739999097331877792, −3.55105060229437274340943099659, −3.05421563973318891113570986544, −1.35239090928621570494829373116, 1.35239090928621570494829373116, 3.05421563973318891113570986544, 3.55105060229437274340943099659, 5.07163255207739999097331877792, 5.77119144029561517694334490406, 6.57917823756672287546515249020, 7.50631751385539518485989862848, 8.546210784056090088603607229462, 9.587789180532392215662842182554, 10.25993502607387682591666682057

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