Properties

Label 2-315-1.1-c7-0-28
Degree $2$
Conductor $315$
Sign $1$
Analytic cond. $98.4012$
Root an. cond. $9.91974$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 14.5·2-s + 84.9·4-s + 125·5-s − 343·7-s + 628.·8-s − 1.82e3·10-s + 8.20e3·11-s + 2.45e3·13-s + 5.00e3·14-s − 2.00e4·16-s + 2.21e4·17-s + 3.82e4·19-s + 1.06e4·20-s − 1.19e5·22-s + 4.89e4·23-s + 1.56e4·25-s − 3.57e4·26-s − 2.91e4·28-s + 8.81e4·29-s − 2.17e4·31-s + 2.12e5·32-s − 3.22e5·34-s − 4.28e4·35-s + 4.92e5·37-s − 5.58e5·38-s + 7.85e4·40-s + 6.39e5·41-s + ⋯
L(s)  = 1  − 1.28·2-s + 0.663·4-s + 0.447·5-s − 0.377·7-s + 0.433·8-s − 0.576·10-s + 1.85·11-s + 0.309·13-s + 0.487·14-s − 1.22·16-s + 1.09·17-s + 1.27·19-s + 0.296·20-s − 2.39·22-s + 0.838·23-s + 0.199·25-s − 0.399·26-s − 0.250·28-s + 0.670·29-s − 0.130·31-s + 1.14·32-s − 1.40·34-s − 0.169·35-s + 1.59·37-s − 1.64·38-s + 0.194·40-s + 1.44·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 315 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 315 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(315\)    =    \(3^{2} \cdot 5 \cdot 7\)
Sign: $1$
Analytic conductor: \(98.4012\)
Root analytic conductor: \(9.91974\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 315,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(1.604918870\)
\(L(\frac12)\) \(\approx\) \(1.604918870\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
5 \( 1 - 125T \)
7 \( 1 + 343T \)
good2 \( 1 + 14.5T + 128T^{2} \)
11 \( 1 - 8.20e3T + 1.94e7T^{2} \)
13 \( 1 - 2.45e3T + 6.27e7T^{2} \)
17 \( 1 - 2.21e4T + 4.10e8T^{2} \)
19 \( 1 - 3.82e4T + 8.93e8T^{2} \)
23 \( 1 - 4.89e4T + 3.40e9T^{2} \)
29 \( 1 - 8.81e4T + 1.72e10T^{2} \)
31 \( 1 + 2.17e4T + 2.75e10T^{2} \)
37 \( 1 - 4.92e5T + 9.49e10T^{2} \)
41 \( 1 - 6.39e5T + 1.94e11T^{2} \)
43 \( 1 + 1.91e5T + 2.71e11T^{2} \)
47 \( 1 + 1.63e5T + 5.06e11T^{2} \)
53 \( 1 + 8.30e5T + 1.17e12T^{2} \)
59 \( 1 - 9.95e5T + 2.48e12T^{2} \)
61 \( 1 - 1.02e6T + 3.14e12T^{2} \)
67 \( 1 + 4.40e6T + 6.06e12T^{2} \)
71 \( 1 + 4.62e6T + 9.09e12T^{2} \)
73 \( 1 + 1.34e6T + 1.10e13T^{2} \)
79 \( 1 + 3.62e6T + 1.92e13T^{2} \)
83 \( 1 - 1.63e6T + 2.71e13T^{2} \)
89 \( 1 + 3.83e6T + 4.42e13T^{2} \)
97 \( 1 + 2.79e6T + 8.07e13T^{2} \)
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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

−10.05230440801939721934502885358, −9.447438343560181917560537559812, −8.880898403972746856806330637257, −7.71441876285169979117678183471, −6.82871151696415169390679356341, −5.83420352007061922317428107096, −4.34828524032710868204742891102, −3.03969365025535124716053328708, −1.38606627780954706214194499993, −0.891921022649445418425196044003, 0.891921022649445418425196044003, 1.38606627780954706214194499993, 3.03969365025535124716053328708, 4.34828524032710868204742891102, 5.83420352007061922317428107096, 6.82871151696415169390679356341, 7.71441876285169979117678183471, 8.880898403972746856806330637257, 9.447438343560181917560537559812, 10.05230440801939721934502885358

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