Properties

Label 2-786-1.1-c3-0-40
Degree $2$
Conductor $786$
Sign $-1$
Analytic cond. $46.3755$
Root an. cond. $6.80995$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s − 3·3-s + 4·4-s + 13.8·5-s + 6·6-s − 21.4·7-s − 8·8-s + 9·9-s − 27.7·10-s + 30.6·11-s − 12·12-s − 50.3·13-s + 42.8·14-s − 41.6·15-s + 16·16-s + 112.·17-s − 18·18-s − 81.3·19-s + 55.5·20-s + 64.2·21-s − 61.3·22-s + 72.0·23-s + 24·24-s + 67.5·25-s + 100.·26-s − 27·27-s − 85.7·28-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.577·3-s + 0.5·4-s + 1.24·5-s + 0.408·6-s − 1.15·7-s − 0.353·8-s + 0.333·9-s − 0.877·10-s + 0.840·11-s − 0.288·12-s − 1.07·13-s + 0.818·14-s − 0.716·15-s + 0.250·16-s + 1.60·17-s − 0.235·18-s − 0.982·19-s + 0.620·20-s + 0.668·21-s − 0.594·22-s + 0.653·23-s + 0.204·24-s + 0.540·25-s + 0.758·26-s − 0.192·27-s − 0.578·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 786 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 786 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(786\)    =    \(2 \cdot 3 \cdot 131\)
Sign: $-1$
Analytic conductor: \(46.3755\)
Root analytic conductor: \(6.80995\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 786,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 2T \)
3 \( 1 + 3T \)
131 \( 1 - 131T \)
good5 \( 1 - 13.8T + 125T^{2} \)
7 \( 1 + 21.4T + 343T^{2} \)
11 \( 1 - 30.6T + 1.33e3T^{2} \)
13 \( 1 + 50.3T + 2.19e3T^{2} \)
17 \( 1 - 112.T + 4.91e3T^{2} \)
19 \( 1 + 81.3T + 6.85e3T^{2} \)
23 \( 1 - 72.0T + 1.21e4T^{2} \)
29 \( 1 + 239.T + 2.43e4T^{2} \)
31 \( 1 + 266.T + 2.97e4T^{2} \)
37 \( 1 - 133.T + 5.06e4T^{2} \)
41 \( 1 - 269.T + 6.89e4T^{2} \)
43 \( 1 - 21.7T + 7.95e4T^{2} \)
47 \( 1 + 11.2T + 1.03e5T^{2} \)
53 \( 1 - 232.T + 1.48e5T^{2} \)
59 \( 1 - 38.4T + 2.05e5T^{2} \)
61 \( 1 - 368.T + 2.26e5T^{2} \)
67 \( 1 - 319.T + 3.00e5T^{2} \)
71 \( 1 + 722.T + 3.57e5T^{2} \)
73 \( 1 + 660.T + 3.89e5T^{2} \)
79 \( 1 - 151.T + 4.93e5T^{2} \)
83 \( 1 + 750.T + 5.71e5T^{2} \)
89 \( 1 - 924.T + 7.04e5T^{2} \)
97 \( 1 + 767.T + 9.12e5T^{2} \)
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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

−9.541213078910765803227280733028, −9.086107904753971079322501010284, −7.56732007923316637212302928197, −6.83289301392679131193539115649, −5.97736110289531596964592855397, −5.41830921521966014793595626320, −3.79773994986688104433043088933, −2.51821699423883497461446994450, −1.37388572967766001788558170868, 0, 1.37388572967766001788558170868, 2.51821699423883497461446994450, 3.79773994986688104433043088933, 5.41830921521966014793595626320, 5.97736110289531596964592855397, 6.83289301392679131193539115649, 7.56732007923316637212302928197, 9.086107904753971079322501010284, 9.541213078910765803227280733028

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