Properties

Label 2-315-1.1-c1-0-9
Degree $2$
Conductor $315$
Sign $-1$
Analytic cond. $2.51528$
Root an. cond. $1.58596$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.414·2-s − 1.82·4-s − 5-s − 7-s − 1.58·8-s − 0.414·10-s − 4.82·11-s + 0.828·13-s − 0.414·14-s + 3·16-s − 7.65·17-s − 2.82·19-s + 1.82·20-s − 1.99·22-s + 3.65·23-s + 25-s + 0.343·26-s + 1.82·28-s − 8·29-s + 8.48·31-s + 4.41·32-s − 3.17·34-s + 35-s − 6·37-s − 1.17·38-s + 1.58·40-s + 7.65·41-s + ⋯
L(s)  = 1  + 0.292·2-s − 0.914·4-s − 0.447·5-s − 0.377·7-s − 0.560·8-s − 0.130·10-s − 1.45·11-s + 0.229·13-s − 0.110·14-s + 0.750·16-s − 1.85·17-s − 0.648·19-s + 0.408·20-s − 0.426·22-s + 0.762·23-s + 0.200·25-s + 0.0672·26-s + 0.345·28-s − 1.48·29-s + 1.52·31-s + 0.780·32-s − 0.543·34-s + 0.169·35-s − 0.986·37-s − 0.190·38-s + 0.250·40-s + 1.19·41-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(315\)    =    \(3^{2} \cdot 5 \cdot 7\)
Sign: $-1$
Analytic conductor: \(2.51528\)
Root analytic conductor: \(1.58596\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 315,\ (\ :1/2),\ -1)\)

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)$
bad3 \( 1 \)
5 \( 1 + T \)
7 \( 1 + T \)
good2 \( 1 - 0.414T + 2T^{2} \)
11 \( 1 + 4.82T + 11T^{2} \)
13 \( 1 - 0.828T + 13T^{2} \)
17 \( 1 + 7.65T + 17T^{2} \)
19 \( 1 + 2.82T + 19T^{2} \)
23 \( 1 - 3.65T + 23T^{2} \)
29 \( 1 + 8T + 29T^{2} \)
31 \( 1 - 8.48T + 31T^{2} \)
37 \( 1 + 6T + 37T^{2} \)
41 \( 1 - 7.65T + 41T^{2} \)
43 \( 1 - 1.65T + 43T^{2} \)
47 \( 1 - 4T + 47T^{2} \)
53 \( 1 + 5.17T + 53T^{2} \)
59 \( 1 - 4T + 59T^{2} \)
61 \( 1 - 6T + 61T^{2} \)
67 \( 1 + 15.3T + 67T^{2} \)
71 \( 1 + 10.4T + 71T^{2} \)
73 \( 1 + 12.1T + 73T^{2} \)
79 \( 1 - 5.65T + 79T^{2} \)
83 \( 1 - 8T + 83T^{2} \)
89 \( 1 - 5.31T + 89T^{2} \)
97 \( 1 + 3.17T + 97T^{2} \)
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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

−11.11523555624672312666832883670, −10.36275811704857005484562393732, −9.154078141054155021048351273996, −8.488643266238240589053142416595, −7.40320449581073324832387392396, −6.12522467857803522401585965672, −4.96352485699437409756559981220, −4.08738209618549570146385865450, −2.71804868450455840630447744204, 0, 2.71804868450455840630447744204, 4.08738209618549570146385865450, 4.96352485699437409756559981220, 6.12522467857803522401585965672, 7.40320449581073324832387392396, 8.488643266238240589053142416595, 9.154078141054155021048351273996, 10.36275811704857005484562393732, 11.11523555624672312666832883670

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