Properties

Label 2-1520-1.1-c1-0-25
Degree $2$
Conductor $1520$
Sign $1$
Analytic cond. $12.1372$
Root an. cond. $3.48385$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.68·3-s + 5-s + 3.18·7-s + 4.18·9-s − 0.681·13-s + 2.68·15-s − 1.18·17-s − 19-s + 8.55·21-s + 2.17·23-s + 25-s + 3.18·27-s + 2.81·29-s − 6.37·31-s + 3.18·35-s + 7.87·37-s − 1.82·39-s + 0.983·41-s − 1.36·43-s + 4.18·45-s − 11.7·47-s + 3.17·49-s − 3.18·51-s − 1.69·53-s − 2.68·57-s − 11.5·59-s + 7.36·61-s + ⋯
L(s)  = 1  + 1.54·3-s + 0.447·5-s + 1.20·7-s + 1.39·9-s − 0.188·13-s + 0.692·15-s − 0.288·17-s − 0.229·19-s + 1.86·21-s + 0.453·23-s + 0.200·25-s + 0.613·27-s + 0.521·29-s − 1.14·31-s + 0.539·35-s + 1.29·37-s − 0.292·39-s + 0.153·41-s − 0.207·43-s + 0.624·45-s − 1.71·47-s + 0.453·49-s − 0.446·51-s − 0.233·53-s − 0.355·57-s − 1.50·59-s + 0.942·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1520\)    =    \(2^{4} \cdot 5 \cdot 19\)
Sign: $1$
Analytic conductor: \(12.1372\)
Root analytic conductor: \(3.48385\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1520,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.538683877\)
\(L(\frac12)\) \(\approx\) \(3.538683877\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - T \)
19 \( 1 + T \)
good3 \( 1 - 2.68T + 3T^{2} \)
7 \( 1 - 3.18T + 7T^{2} \)
11 \( 1 + 11T^{2} \)
13 \( 1 + 0.681T + 13T^{2} \)
17 \( 1 + 1.18T + 17T^{2} \)
23 \( 1 - 2.17T + 23T^{2} \)
29 \( 1 - 2.81T + 29T^{2} \)
31 \( 1 + 6.37T + 31T^{2} \)
37 \( 1 - 7.87T + 37T^{2} \)
41 \( 1 - 0.983T + 41T^{2} \)
43 \( 1 + 1.36T + 43T^{2} \)
47 \( 1 + 11.7T + 47T^{2} \)
53 \( 1 + 1.69T + 53T^{2} \)
59 \( 1 + 11.5T + 59T^{2} \)
61 \( 1 - 7.36T + 61T^{2} \)
67 \( 1 + 7.02T + 67T^{2} \)
71 \( 1 - 12.7T + 71T^{2} \)
73 \( 1 + 5.53T + 73T^{2} \)
79 \( 1 + 5.36T + 79T^{2} \)
83 \( 1 + 2.37T + 83T^{2} \)
89 \( 1 - 3.01T + 89T^{2} \)
97 \( 1 - 4.88T + 97T^{2} \)
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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

−9.276493317100932161319152562131, −8.662594942496993976777955171711, −7.977850034518973652271147128097, −7.39631650848874463642914827090, −6.32543172730690716256767398146, −5.10623204682097692601510458475, −4.35704139143883124490320642831, −3.26553310273189336483224958201, −2.31612204161527165908495480690, −1.51960481786494023859307073891, 1.51960481786494023859307073891, 2.31612204161527165908495480690, 3.26553310273189336483224958201, 4.35704139143883124490320642831, 5.10623204682097692601510458475, 6.32543172730690716256767398146, 7.39631650848874463642914827090, 7.977850034518973652271147128097, 8.662594942496993976777955171711, 9.276493317100932161319152562131

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