Properties

Label 2-810-1.1-c1-0-15
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 4-s − 5-s − 4·7-s + 8-s − 10-s − 3·11-s − 4·13-s − 4·14-s + 16-s − 3·17-s + 5·19-s − 20-s − 3·22-s − 6·23-s + 25-s − 4·26-s − 4·28-s − 6·29-s + 2·31-s + 32-s − 3·34-s + 4·35-s − 4·37-s + 5·38-s − 40-s + 3·41-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s − 0.447·5-s − 1.51·7-s + 0.353·8-s − 0.316·10-s − 0.904·11-s − 1.10·13-s − 1.06·14-s + 1/4·16-s − 0.727·17-s + 1.14·19-s − 0.223·20-s − 0.639·22-s − 1.25·23-s + 1/5·25-s − 0.784·26-s − 0.755·28-s − 1.11·29-s + 0.359·31-s + 0.176·32-s − 0.514·34-s + 0.676·35-s − 0.657·37-s + 0.811·38-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 810,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + 4 T + p T^{2} \)
11 \( 1 + 3 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + 3 T + p T^{2} \)
19 \( 1 - 5 T + p T^{2} \)
23 \( 1 + 6 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 - 2 T + p T^{2} \)
37 \( 1 + 4 T + p T^{2} \)
41 \( 1 - 3 T + p T^{2} \)
43 \( 1 - 11 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 - 3 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 - 5 T + p T^{2} \)
71 \( 1 + 6 T + p T^{2} \)
73 \( 1 + 7 T + p T^{2} \)
79 \( 1 - 14 T + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 - 11 T + p T^{2} \)
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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

−9.884661439723587617400500749459, −9.181012604635816139449497717962, −7.77404691036140567875834676085, −7.23347773420758791578828913025, −6.22301446970872085611681593876, −5.38292631066779946248479008415, −4.29111105534765483466139869890, −3.28121157426783676388528803494, −2.41912201488827531235600451311, 0, 2.41912201488827531235600451311, 3.28121157426783676388528803494, 4.29111105534765483466139869890, 5.38292631066779946248479008415, 6.22301446970872085611681593876, 7.23347773420758791578828913025, 7.77404691036140567875834676085, 9.181012604635816139449497717962, 9.884661439723587617400500749459

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