Properties

Label 2-1950-1.1-c1-0-31
Degree $2$
Conductor $1950$
Sign $-1$
Analytic cond. $15.5708$
Root an. cond. $3.94598$
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  + 2-s − 3-s + 4-s − 6-s − 3.23·7-s + 8-s + 9-s + 4.47·11-s − 12-s − 13-s − 3.23·14-s + 16-s − 7.23·17-s + 18-s − 2.76·19-s + 3.23·21-s + 4.47·22-s − 2.76·23-s − 24-s − 26-s − 27-s − 3.23·28-s − 3.70·29-s − 4·31-s + 32-s − 4.47·33-s − 7.23·34-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.577·3-s + 0.5·4-s − 0.408·6-s − 1.22·7-s + 0.353·8-s + 0.333·9-s + 1.34·11-s − 0.288·12-s − 0.277·13-s − 0.864·14-s + 0.250·16-s − 1.75·17-s + 0.235·18-s − 0.634·19-s + 0.706·21-s + 0.953·22-s − 0.576·23-s − 0.204·24-s − 0.196·26-s − 0.192·27-s − 0.611·28-s − 0.688·29-s − 0.718·31-s + 0.176·32-s − 0.778·33-s − 1.24·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1950 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1950 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1950\)    =    \(2 \cdot 3 \cdot 5^{2} \cdot 13\)
Sign: $-1$
Analytic conductor: \(15.5708\)
Root analytic conductor: \(3.94598\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1950,\ (\ :1/2),\ -1)\)

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 \( 1 + T \)
5 \( 1 \)
13 \( 1 + T \)
good7 \( 1 + 3.23T + 7T^{2} \)
11 \( 1 - 4.47T + 11T^{2} \)
17 \( 1 + 7.23T + 17T^{2} \)
19 \( 1 + 2.76T + 19T^{2} \)
23 \( 1 + 2.76T + 23T^{2} \)
29 \( 1 + 3.70T + 29T^{2} \)
31 \( 1 + 4T + 31T^{2} \)
37 \( 1 - 10.9T + 37T^{2} \)
41 \( 1 - 3.52T + 41T^{2} \)
43 \( 1 - 2.47T + 43T^{2} \)
47 \( 1 + 12.9T + 47T^{2} \)
53 \( 1 - 0.472T + 53T^{2} \)
59 \( 1 + 8.47T + 59T^{2} \)
61 \( 1 + 10.9T + 61T^{2} \)
67 \( 1 + 67T^{2} \)
71 \( 1 + 2.47T + 71T^{2} \)
73 \( 1 + 13.2T + 73T^{2} \)
79 \( 1 + 4T + 79T^{2} \)
83 \( 1 - 4.94T + 83T^{2} \)
89 \( 1 - 0.472T + 89T^{2} \)
97 \( 1 - 3.70T + 97T^{2} \)
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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

−9.119788551672627996137290449595, −7.79421724753621842560668008589, −6.74554511709545220295781459014, −6.43717490653557859344038888203, −5.78424952265621951803630672333, −4.47134180665468607589785062244, −4.05826633733612975549111607825, −2.93863753798985817103168080001, −1.76013233051048305859997525648, 0, 1.76013233051048305859997525648, 2.93863753798985817103168080001, 4.05826633733612975549111607825, 4.47134180665468607589785062244, 5.78424952265621951803630672333, 6.43717490653557859344038888203, 6.74554511709545220295781459014, 7.79421724753621842560668008589, 9.119788551672627996137290449595

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