Properties

Label 2-20e2-1.1-c7-0-53
Degree $2$
Conductor $400$
Sign $-1$
Analytic cond. $124.954$
Root an. cond. $11.1782$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 28·3-s + 104·7-s − 1.40e3·9-s + 5.14e3·11-s + 8.60e3·13-s − 2.02e4·17-s − 4.55e4·19-s + 2.91e3·21-s − 7.20e4·23-s − 1.00e5·27-s + 2.31e5·29-s + 8.01e4·31-s + 1.44e5·33-s − 1.04e5·37-s + 2.40e5·39-s + 5.84e5·41-s − 7.95e5·43-s + 4.25e5·47-s − 8.12e5·49-s − 5.67e5·51-s − 1.50e6·53-s − 1.27e6·57-s − 2.46e5·59-s + 8.93e5·61-s − 1.45e5·63-s − 2.33e6·67-s − 2.01e6·69-s + ⋯
L(s)  = 1  + 0.598·3-s + 0.114·7-s − 0.641·9-s + 1.16·11-s + 1.08·13-s − 1.00·17-s − 1.52·19-s + 0.0686·21-s − 1.23·23-s − 0.982·27-s + 1.76·29-s + 0.483·31-s + 0.698·33-s − 0.339·37-s + 0.650·39-s + 1.32·41-s − 1.52·43-s + 0.598·47-s − 0.986·49-s − 0.599·51-s − 1.38·53-s − 0.911·57-s − 0.156·59-s + 0.504·61-s − 0.0735·63-s − 0.949·67-s − 0.739·69-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $-1$
Analytic conductor: \(124.954\)
Root analytic conductor: \(11.1782\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 400,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) 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 \( 1 - 28 T + p^{7} T^{2} \)
7 \( 1 - 104 T + p^{7} T^{2} \)
11 \( 1 - 468 p T + p^{7} T^{2} \)
13 \( 1 - 8602 T + p^{7} T^{2} \)
17 \( 1 + 20274 T + p^{7} T^{2} \)
19 \( 1 + 45500 T + p^{7} T^{2} \)
23 \( 1 + 72072 T + p^{7} T^{2} \)
29 \( 1 - 231510 T + p^{7} T^{2} \)
31 \( 1 - 80128 T + p^{7} T^{2} \)
37 \( 1 + 104654 T + p^{7} T^{2} \)
41 \( 1 - 584922 T + p^{7} T^{2} \)
43 \( 1 + 795532 T + p^{7} T^{2} \)
47 \( 1 - 425664 T + p^{7} T^{2} \)
53 \( 1 + 1500798 T + p^{7} T^{2} \)
59 \( 1 + 246420 T + p^{7} T^{2} \)
61 \( 1 - 893942 T + p^{7} T^{2} \)
67 \( 1 + 2336836 T + p^{7} T^{2} \)
71 \( 1 - 203688 T + p^{7} T^{2} \)
73 \( 1 - 3805702 T + p^{7} T^{2} \)
79 \( 1 + 5053040 T + p^{7} T^{2} \)
83 \( 1 + 45492 T + p^{7} T^{2} \)
89 \( 1 - 980010 T + p^{7} T^{2} \)
97 \( 1 - 5247646 T + p^{7} T^{2} \)
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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

−9.441450388614329715414974908341, −8.555974954358330346690772167388, −8.207554894586783543371184528953, −6.57865830971072091454321198837, −6.14093709637020092893256109245, −4.51974227173329201496532806625, −3.71380321301171909415276486567, −2.50871207218533223629321643990, −1.45254813005975157918131468850, 0, 1.45254813005975157918131468850, 2.50871207218533223629321643990, 3.71380321301171909415276486567, 4.51974227173329201496532806625, 6.14093709637020092893256109245, 6.57865830971072091454321198837, 8.207554894586783543371184528953, 8.555974954358330346690772167388, 9.441450388614329715414974908341

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