Properties

Label 2-41e2-1.1-c1-0-95
Degree $2$
Conductor $1681$
Sign $1$
Analytic cond. $13.4228$
Root an. cond. $3.66372$
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  + 2.42·2-s + 2.86·3-s + 3.89·4-s + 0.116·5-s + 6.94·6-s − 2.69·7-s + 4.58·8-s + 5.19·9-s + 0.281·10-s + 3.38·11-s + 11.1·12-s − 1.05·13-s − 6.55·14-s + 0.332·15-s + 3.35·16-s − 3.65·17-s + 12.5·18-s − 2.27·19-s + 0.451·20-s − 7.72·21-s + 8.21·22-s + 7.49·23-s + 13.1·24-s − 4.98·25-s − 2.55·26-s + 6.26·27-s − 10.5·28-s + ⋯
L(s)  = 1  + 1.71·2-s + 1.65·3-s + 1.94·4-s + 0.0519·5-s + 2.83·6-s − 1.02·7-s + 1.62·8-s + 1.73·9-s + 0.0891·10-s + 1.02·11-s + 3.21·12-s − 0.291·13-s − 1.75·14-s + 0.0857·15-s + 0.838·16-s − 0.886·17-s + 2.96·18-s − 0.523·19-s + 0.100·20-s − 1.68·21-s + 1.75·22-s + 1.56·23-s + 2.68·24-s − 0.997·25-s − 0.500·26-s + 1.20·27-s − 1.98·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1681 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1681 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1681\)    =    \(41^{2}\)
Sign: $1$
Analytic conductor: \(13.4228\)
Root analytic conductor: \(3.66372\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1681,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(7.476583703\)
\(L(\frac12)\) \(\approx\) \(7.476583703\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad41 \( 1 \)
good2 \( 1 - 2.42T + 2T^{2} \)
3 \( 1 - 2.86T + 3T^{2} \)
5 \( 1 - 0.116T + 5T^{2} \)
7 \( 1 + 2.69T + 7T^{2} \)
11 \( 1 - 3.38T + 11T^{2} \)
13 \( 1 + 1.05T + 13T^{2} \)
17 \( 1 + 3.65T + 17T^{2} \)
19 \( 1 + 2.27T + 19T^{2} \)
23 \( 1 - 7.49T + 23T^{2} \)
29 \( 1 + 1.47T + 29T^{2} \)
31 \( 1 - 3.12T + 31T^{2} \)
37 \( 1 + 1.12T + 37T^{2} \)
43 \( 1 - 0.993T + 43T^{2} \)
47 \( 1 + 11.0T + 47T^{2} \)
53 \( 1 - 0.542T + 53T^{2} \)
59 \( 1 - 1.94T + 59T^{2} \)
61 \( 1 - 10.1T + 61T^{2} \)
67 \( 1 + 13.2T + 67T^{2} \)
71 \( 1 + 9.43T + 71T^{2} \)
73 \( 1 - 10.9T + 73T^{2} \)
79 \( 1 - 10.7T + 79T^{2} \)
83 \( 1 + 0.635T + 83T^{2} \)
89 \( 1 - 4.81T + 89T^{2} \)
97 \( 1 - 2.76T + 97T^{2} \)
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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

−9.260509874453073049025253507869, −8.658866794495626995690226843504, −7.50337815891227821858259751344, −6.73609196124633168361155773669, −6.25596170791360091268475340325, −4.92645668868729589721160195235, −4.07113931115731241057483899617, −3.45437397103306364049717765146, −2.76295805049801370321544239252, −1.87901163751964285074195741977, 1.87901163751964285074195741977, 2.76295805049801370321544239252, 3.45437397103306364049717765146, 4.07113931115731241057483899617, 4.92645668868729589721160195235, 6.25596170791360091268475340325, 6.73609196124633168361155773669, 7.50337815891227821858259751344, 8.658866794495626995690226843504, 9.260509874453073049025253507869

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