Properties

Label 2-2541-1.1-c1-0-1
Degree $2$
Conductor $2541$
Sign $1$
Analytic cond. $20.2899$
Root an. cond. $4.50444$
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-s − 3-s − 4-s − 2.85·5-s − 6-s − 7-s − 3·8-s + 9-s − 2.85·10-s + 12-s + 1.23·13-s − 14-s + 2.85·15-s − 16-s − 7.85·17-s + 18-s − 2.61·19-s + 2.85·20-s + 21-s − 3.09·23-s + 3·24-s + 3.14·25-s + 1.23·26-s − 27-s + 28-s + 2·29-s + 2.85·30-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.577·3-s − 0.5·4-s − 1.27·5-s − 0.408·6-s − 0.377·7-s − 1.06·8-s + 0.333·9-s − 0.902·10-s + 0.288·12-s + 0.342·13-s − 0.267·14-s + 0.736·15-s − 0.250·16-s − 1.90·17-s + 0.235·18-s − 0.600·19-s + 0.638·20-s + 0.218·21-s − 0.644·23-s + 0.612·24-s + 0.629·25-s + 0.242·26-s − 0.192·27-s + 0.188·28-s + 0.371·29-s + 0.521·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2541 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2541 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2541\)    =    \(3 \cdot 7 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(20.2899\)
Root analytic conductor: \(4.50444\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2541,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.5321984488\)
\(L(\frac12)\) \(\approx\) \(0.5321984488\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
7 \( 1 + T \)
11 \( 1 \)
good2 \( 1 - T + 2T^{2} \)
5 \( 1 + 2.85T + 5T^{2} \)
13 \( 1 - 1.23T + 13T^{2} \)
17 \( 1 + 7.85T + 17T^{2} \)
19 \( 1 + 2.61T + 19T^{2} \)
23 \( 1 + 3.09T + 23T^{2} \)
29 \( 1 - 2T + 29T^{2} \)
31 \( 1 + 7.32T + 31T^{2} \)
37 \( 1 + 12.0T + 37T^{2} \)
41 \( 1 - 10.8T + 41T^{2} \)
43 \( 1 - 1.23T + 43T^{2} \)
47 \( 1 - 2T + 47T^{2} \)
53 \( 1 - 12.1T + 53T^{2} \)
59 \( 1 - 6.76T + 59T^{2} \)
61 \( 1 + 8.94T + 61T^{2} \)
67 \( 1 - 8T + 67T^{2} \)
71 \( 1 - 8.94T + 71T^{2} \)
73 \( 1 - 5.23T + 73T^{2} \)
79 \( 1 - 14T + 79T^{2} \)
83 \( 1 + 2.94T + 83T^{2} \)
89 \( 1 - 1.09T + 89T^{2} \)
97 \( 1 + 3.52T + 97T^{2} \)
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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

−8.816316193648678614747280199707, −8.233263839458746192188372506956, −7.16377255829697943252829319920, −6.53489529752984582730625673075, −5.68291193655437884592204819590, −4.82121280744219104749810978658, −3.98796623431240742392134779001, −3.74790328066747404480917589662, −2.33333190707380805847933193303, −0.40658231179387011003891557820, 0.40658231179387011003891557820, 2.33333190707380805847933193303, 3.74790328066747404480917589662, 3.98796623431240742392134779001, 4.82121280744219104749810978658, 5.68291193655437884592204819590, 6.53489529752984582730625673075, 7.16377255829697943252829319920, 8.233263839458746192188372506956, 8.816316193648678614747280199707

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