Properties

Label 2-41e2-1.1-c1-0-48
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  − 0.888·2-s + 1.39·3-s − 1.21·4-s + 1.07·5-s − 1.23·6-s + 3.99·7-s + 2.85·8-s − 1.06·9-s − 0.953·10-s + 2.51·11-s − 1.68·12-s + 4.30·13-s − 3.55·14-s + 1.49·15-s − 0.111·16-s + 4.78·17-s + 0.946·18-s + 0.979·19-s − 1.29·20-s + 5.56·21-s − 2.23·22-s − 2.20·23-s + 3.96·24-s − 3.84·25-s − 3.82·26-s − 5.65·27-s − 4.84·28-s + ⋯
L(s)  = 1  − 0.628·2-s + 0.803·3-s − 0.605·4-s + 0.479·5-s − 0.504·6-s + 1.51·7-s + 1.00·8-s − 0.355·9-s − 0.301·10-s + 0.757·11-s − 0.486·12-s + 1.19·13-s − 0.949·14-s + 0.385·15-s − 0.0279·16-s + 1.15·17-s + 0.223·18-s + 0.224·19-s − 0.290·20-s + 1.21·21-s − 0.476·22-s − 0.459·23-s + 0.809·24-s − 0.769·25-s − 0.749·26-s − 1.08·27-s − 0.915·28-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

\(L(1)\) \(\approx\) \(1.984258328\)
\(L(\frac12)\) \(\approx\) \(1.984258328\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.888T + 2T^{2} \)
3 \( 1 - 1.39T + 3T^{2} \)
5 \( 1 - 1.07T + 5T^{2} \)
7 \( 1 - 3.99T + 7T^{2} \)
11 \( 1 - 2.51T + 11T^{2} \)
13 \( 1 - 4.30T + 13T^{2} \)
17 \( 1 - 4.78T + 17T^{2} \)
19 \( 1 - 0.979T + 19T^{2} \)
23 \( 1 + 2.20T + 23T^{2} \)
29 \( 1 + 2.05T + 29T^{2} \)
31 \( 1 - 6.55T + 31T^{2} \)
37 \( 1 + 10.8T + 37T^{2} \)
43 \( 1 + 2.01T + 43T^{2} \)
47 \( 1 - 9.95T + 47T^{2} \)
53 \( 1 - 7.76T + 53T^{2} \)
59 \( 1 + 9.60T + 59T^{2} \)
61 \( 1 - 0.448T + 61T^{2} \)
67 \( 1 + 3.50T + 67T^{2} \)
71 \( 1 + 14.0T + 71T^{2} \)
73 \( 1 - 8.75T + 73T^{2} \)
79 \( 1 + 2.73T + 79T^{2} \)
83 \( 1 + 2.79T + 83T^{2} \)
89 \( 1 - 11.1T + 89T^{2} \)
97 \( 1 + 3.76T + 97T^{2} \)
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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

−9.029860052174208754990655018101, −8.677656689163595189775576053928, −8.014852441345815557536168951369, −7.44583090582487651222629663883, −5.99630934762348205162100515164, −5.29675586779898379929528188389, −4.22295302695635537766757157572, −3.44541535462665739798371487587, −1.93085228252880244385182132098, −1.19323424354116964095132670039, 1.19323424354116964095132670039, 1.93085228252880244385182132098, 3.44541535462665739798371487587, 4.22295302695635537766757157572, 5.29675586779898379929528188389, 5.99630934762348205162100515164, 7.44583090582487651222629663883, 8.014852441345815557536168951369, 8.677656689163595189775576053928, 9.029860052174208754990655018101

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