Properties

Label 2-40e2-1.1-c1-0-8
Degree $2$
Conductor $1600$
Sign $1$
Analytic cond. $12.7760$
Root an. cond. $3.57436$
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  − 3·9-s + 6·13-s − 2·17-s + 10·29-s − 2·37-s + 10·41-s − 7·49-s + 14·53-s + 10·61-s + 6·73-s + 9·81-s + 10·89-s − 18·97-s + 2·101-s − 6·109-s + 14·113-s − 18·117-s + ⋯
L(s)  = 1  − 9-s + 1.66·13-s − 0.485·17-s + 1.85·29-s − 0.328·37-s + 1.56·41-s − 49-s + 1.92·53-s + 1.28·61-s + 0.702·73-s + 81-s + 1.05·89-s − 1.82·97-s + 0.199·101-s − 0.574·109-s + 1.31·113-s − 1.66·117-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.658334805\)
\(L(\frac12)\) \(\approx\) \(1.658334805\)
\(L(\frac{3}{2})\) 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 \( 1 \)
good3 \( 1 + p T^{2} \)
7 \( 1 + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 10 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 - 10 T + p T^{2} \)
43 \( 1 + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 14 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 10 T + p T^{2} \)
67 \( 1 + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 6 T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 + p T^{2} \)
89 \( 1 - 10 T + p T^{2} \)
97 \( 1 + 18 T + p T^{2} \)
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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

−9.229738681555639603454604612144, −8.548239184977679663193402766242, −8.095900450392739090116843696578, −6.83957021602347792551015258406, −6.17090310700109824442559838984, −5.42644460572577514350636284077, −4.32056015764801105587344203662, −3.38983172672051634596756490050, −2.40245494881792658011192485726, −0.923744794836951703848041902340, 0.923744794836951703848041902340, 2.40245494881792658011192485726, 3.38983172672051634596756490050, 4.32056015764801105587344203662, 5.42644460572577514350636284077, 6.17090310700109824442559838984, 6.83957021602347792551015258406, 8.095900450392739090116843696578, 8.548239184977679663193402766242, 9.229738681555639603454604612144

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