Properties

Label 2-1890-1.1-c1-0-6
Degree $2$
Conductor $1890$
Sign $1$
Analytic cond. $15.0917$
Root an. cond. $3.88480$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 4-s − 5-s − 7-s + 8-s − 10-s − 2·11-s − 14-s + 16-s + 2·17-s + 6·19-s − 20-s − 2·22-s + 6·23-s + 25-s − 28-s − 3·29-s + 5·31-s + 32-s + 2·34-s + 35-s + 5·37-s + 6·38-s − 40-s + 5·41-s + 4·43-s − 2·44-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s − 0.447·5-s − 0.377·7-s + 0.353·8-s − 0.316·10-s − 0.603·11-s − 0.267·14-s + 1/4·16-s + 0.485·17-s + 1.37·19-s − 0.223·20-s − 0.426·22-s + 1.25·23-s + 1/5·25-s − 0.188·28-s − 0.557·29-s + 0.898·31-s + 0.176·32-s + 0.342·34-s + 0.169·35-s + 0.821·37-s + 0.973·38-s − 0.158·40-s + 0.780·41-s + 0.609·43-s − 0.301·44-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1890 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1890 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1890\)    =    \(2 \cdot 3^{3} \cdot 5 \cdot 7\)
Sign: $1$
Analytic conductor: \(15.0917\)
Root analytic conductor: \(3.88480\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1890,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.486455576\)
\(L(\frac12)\) \(\approx\) \(2.486455576\)
\(L(\frac{3}{2})\) 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 \( 1 \)
5 \( 1 + T \)
7 \( 1 + T \)
good11 \( 1 + 2 T + p T^{2} \)
13 \( 1 + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 - 6 T + p T^{2} \)
29 \( 1 + 3 T + p T^{2} \)
31 \( 1 - 5 T + p T^{2} \)
37 \( 1 - 5 T + p T^{2} \)
41 \( 1 - 5 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 - 7 T + p T^{2} \)
61 \( 1 - 7 T + p T^{2} \)
67 \( 1 - 6 T + p T^{2} \)
71 \( 1 + 13 T + p T^{2} \)
73 \( 1 - 5 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 + 2 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−9.327310977038512413322641899790, −8.256960138680187788301884097654, −7.50159938372366565667360300009, −6.91149310511519256233376310838, −5.83534347977240772628407947692, −5.19860134238623823650204582017, −4.28024321587473415564217161482, −3.29552991695685832606529417876, −2.63059181977209316088438786145, −0.991473717787980877746384283119, 0.991473717787980877746384283119, 2.63059181977209316088438786145, 3.29552991695685832606529417876, 4.28024321587473415564217161482, 5.19860134238623823650204582017, 5.83534347977240772628407947692, 6.91149310511519256233376310838, 7.50159938372366565667360300009, 8.256960138680187788301884097654, 9.327310977038512413322641899790

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