Properties

Label 2-945-1.1-c1-0-16
Degree $2$
Conductor $945$
Sign $-1$
Analytic cond. $7.54586$
Root an. cond. $2.74697$
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  − 0.618·2-s − 1.61·4-s − 5-s − 7-s + 2.23·8-s + 0.618·10-s + 0.236·11-s + 3.61·13-s + 0.618·14-s + 1.85·16-s + 0.618·17-s + 4.09·19-s + 1.61·20-s − 0.145·22-s − 7.61·23-s + 25-s − 2.23·26-s + 1.61·28-s − 10.5·29-s − 6.70·31-s − 5.61·32-s − 0.381·34-s + 35-s − 6.70·37-s − 2.52·38-s − 2.23·40-s + 3.09·41-s + ⋯
L(s)  = 1  − 0.437·2-s − 0.809·4-s − 0.447·5-s − 0.377·7-s + 0.790·8-s + 0.195·10-s + 0.0711·11-s + 1.00·13-s + 0.165·14-s + 0.463·16-s + 0.149·17-s + 0.938·19-s + 0.361·20-s − 0.0311·22-s − 1.58·23-s + 0.200·25-s − 0.438·26-s + 0.305·28-s − 1.96·29-s − 1.20·31-s − 0.993·32-s − 0.0655·34-s + 0.169·35-s − 1.10·37-s − 0.410·38-s − 0.353·40-s + 0.482·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 945 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 945 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(945\)    =    \(3^{3} \cdot 5 \cdot 7\)
Sign: $-1$
Analytic conductor: \(7.54586\)
Root analytic conductor: \(2.74697\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 945,\ (\ :1/2),\ -1)\)

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 \( 1 + 0.618T + 2T^{2} \)
11 \( 1 - 0.236T + 11T^{2} \)
13 \( 1 - 3.61T + 13T^{2} \)
17 \( 1 - 0.618T + 17T^{2} \)
19 \( 1 - 4.09T + 19T^{2} \)
23 \( 1 + 7.61T + 23T^{2} \)
29 \( 1 + 10.5T + 29T^{2} \)
31 \( 1 + 6.70T + 31T^{2} \)
37 \( 1 + 6.70T + 37T^{2} \)
41 \( 1 - 3.09T + 41T^{2} \)
43 \( 1 - 7.94T + 43T^{2} \)
47 \( 1 + 11T + 47T^{2} \)
53 \( 1 - 6.61T + 53T^{2} \)
59 \( 1 + 14.7T + 59T^{2} \)
61 \( 1 + 7.14T + 61T^{2} \)
67 \( 1 + 4.32T + 67T^{2} \)
71 \( 1 - 2.85T + 71T^{2} \)
73 \( 1 + 3.94T + 73T^{2} \)
79 \( 1 - 3.38T + 79T^{2} \)
83 \( 1 - 2.70T + 83T^{2} \)
89 \( 1 - 7.47T + 89T^{2} \)
97 \( 1 - 12.3T + 97T^{2} \)
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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

−9.406703153240767885191554916019, −8.991227256322384876700815324382, −7.920222104281531654170329335234, −7.44388713694371732256281233477, −6.10549484652247078006660884337, −5.29129357206834833475015060053, −4.03079214007870853271298107808, −3.47150343482780152789955580828, −1.58618687098928773813721097511, 0, 1.58618687098928773813721097511, 3.47150343482780152789955580828, 4.03079214007870853271298107808, 5.29129357206834833475015060053, 6.10549484652247078006660884337, 7.44388713694371732256281233477, 7.920222104281531654170329335234, 8.991227256322384876700815324382, 9.406703153240767885191554916019

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