Properties

Label 2-810-1.1-c1-0-5
Degree $2$
Conductor $810$
Sign $1$
Analytic cond. $6.46788$
Root an. cond. $2.54320$
Motivic weight $1$
Arithmetic yes
Rational yes
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 + 5·7-s − 8-s − 10-s − 13-s − 5·14-s + 16-s + 6·17-s + 5·19-s + 20-s − 9·23-s + 25-s + 26-s + 5·28-s − 4·31-s − 32-s − 6·34-s + 5·35-s − 10·37-s − 5·38-s − 40-s − 3·41-s + 8·43-s + 9·46-s − 3·47-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s + 0.447·5-s + 1.88·7-s − 0.353·8-s − 0.316·10-s − 0.277·13-s − 1.33·14-s + 1/4·16-s + 1.45·17-s + 1.14·19-s + 0.223·20-s − 1.87·23-s + 1/5·25-s + 0.196·26-s + 0.944·28-s − 0.718·31-s − 0.176·32-s − 1.02·34-s + 0.845·35-s − 1.64·37-s − 0.811·38-s − 0.158·40-s − 0.468·41-s + 1.21·43-s + 1.32·46-s − 0.437·47-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 810,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.524023253\)
\(L(\frac12)\) \(\approx\) \(1.524023253\)
\(L(\frac{3}{2})\) 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 \( 1 - 5 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 + T + p T^{2} \)
17 \( 1 - 6 T + p T^{2} \)
19 \( 1 - 5 T + p T^{2} \)
23 \( 1 + 9 T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 + 3 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 + 3 T + p T^{2} \)
53 \( 1 - 3 T + p T^{2} \)
59 \( 1 - 9 T + p T^{2} \)
61 \( 1 - 8 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 - 6 T + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 - 2 T + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 + 16 T + p T^{2} \)
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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

−10.20295832867486108634349031646, −9.473812259560348980429745442124, −8.388162226041374703892252125543, −7.86566828039851573836004453407, −7.12559786726867706746830133866, −5.66421127299809088989589629204, −5.17636996627577623726694783444, −3.76718352791364041563854587690, −2.20029727063878084208215448489, −1.28056241416581044677853894546, 1.28056241416581044677853894546, 2.20029727063878084208215448489, 3.76718352791364041563854587690, 5.17636996627577623726694783444, 5.66421127299809088989589629204, 7.12559786726867706746830133866, 7.86566828039851573836004453407, 8.388162226041374703892252125543, 9.473812259560348980429745442124, 10.20295832867486108634349031646

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