Properties

Label 2-40e2-1.1-c3-0-23
Degree $2$
Conductor $1600$
Sign $1$
Analytic cond. $94.4030$
Root an. cond. $9.71612$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 4·3-s − 16·7-s − 11·9-s − 36·11-s − 42·13-s + 110·17-s + 116·19-s − 64·21-s − 16·23-s − 152·27-s − 198·29-s + 240·31-s − 144·33-s − 258·37-s − 168·39-s + 442·41-s − 292·43-s − 392·47-s − 87·49-s + 440·51-s + 142·53-s + 464·57-s + 348·59-s + 570·61-s + 176·63-s + 692·67-s − 64·69-s + ⋯
L(s)  = 1  + 0.769·3-s − 0.863·7-s − 0.407·9-s − 0.986·11-s − 0.896·13-s + 1.56·17-s + 1.40·19-s − 0.665·21-s − 0.145·23-s − 1.08·27-s − 1.26·29-s + 1.39·31-s − 0.759·33-s − 1.14·37-s − 0.689·39-s + 1.68·41-s − 1.03·43-s − 1.21·47-s − 0.253·49-s + 1.20·51-s + 0.368·53-s + 1.07·57-s + 0.767·59-s + 1.19·61-s + 0.351·63-s + 1.26·67-s − 0.111·69-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(94.4030\)
Root analytic conductor: \(9.71612\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.909479964\)
\(L(\frac12)\) \(\approx\) \(1.909479964\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
good3 \( 1 - 4 T + p^{3} T^{2} \)
7 \( 1 + 16 T + p^{3} T^{2} \)
11 \( 1 + 36 T + p^{3} T^{2} \)
13 \( 1 + 42 T + p^{3} T^{2} \)
17 \( 1 - 110 T + p^{3} T^{2} \)
19 \( 1 - 116 T + p^{3} T^{2} \)
23 \( 1 + 16 T + p^{3} T^{2} \)
29 \( 1 + 198 T + p^{3} T^{2} \)
31 \( 1 - 240 T + p^{3} T^{2} \)
37 \( 1 + 258 T + p^{3} T^{2} \)
41 \( 1 - 442 T + p^{3} T^{2} \)
43 \( 1 + 292 T + p^{3} T^{2} \)
47 \( 1 + 392 T + p^{3} T^{2} \)
53 \( 1 - 142 T + p^{3} T^{2} \)
59 \( 1 - 348 T + p^{3} T^{2} \)
61 \( 1 - 570 T + p^{3} T^{2} \)
67 \( 1 - 692 T + p^{3} T^{2} \)
71 \( 1 - 168 T + p^{3} T^{2} \)
73 \( 1 - 134 T + p^{3} T^{2} \)
79 \( 1 - 784 T + p^{3} T^{2} \)
83 \( 1 - 564 T + p^{3} T^{2} \)
89 \( 1 - 1034 T + p^{3} T^{2} \)
97 \( 1 - 382 T + p^{3} T^{2} \)
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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

−9.184478487980776786913169372570, −7.996357621438037820976494231465, −7.76209990395498513275104207886, −6.75863107358783973343171306583, −5.60543067389888406670225779166, −5.11336340263271274269846223658, −3.55994626956546019092066885841, −3.09062033749705430836611736344, −2.19512779974675222682689963517, −0.61341272710923081709528458046, 0.61341272710923081709528458046, 2.19512779974675222682689963517, 3.09062033749705430836611736344, 3.55994626956546019092066885841, 5.11336340263271274269846223658, 5.60543067389888406670225779166, 6.75863107358783973343171306583, 7.76209990395498513275104207886, 7.996357621438037820976494231465, 9.184478487980776786913169372570

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