Properties

Label 2-61-1.1-c7-0-17
Degree $2$
Conductor $61$
Sign $1$
Analytic cond. $19.0554$
Root an. cond. $4.36525$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 11.3·2-s + 85.1·3-s − 0.0696·4-s + 523.·5-s − 962.·6-s + 503.·7-s + 1.44e3·8-s + 5.05e3·9-s − 5.91e3·10-s + 635.·11-s − 5.93·12-s + 3.76e3·13-s − 5.69e3·14-s + 4.45e4·15-s − 1.63e4·16-s − 3.03e4·17-s − 5.72e4·18-s − 3.02e4·19-s − 36.4·20-s + 4.28e4·21-s − 7.18e3·22-s − 9.63e4·23-s + 1.23e5·24-s + 1.95e5·25-s − 4.26e4·26-s + 2.44e5·27-s − 35.0·28-s + ⋯
L(s)  = 1  − 0.999·2-s + 1.82·3-s − 0.000544·4-s + 1.87·5-s − 1.81·6-s + 0.554·7-s + 1.00·8-s + 2.31·9-s − 1.87·10-s + 0.143·11-s − 0.000990·12-s + 0.475·13-s − 0.554·14-s + 3.40·15-s − 0.999·16-s − 1.50·17-s − 2.31·18-s − 1.01·19-s − 0.00101·20-s + 1.00·21-s − 0.143·22-s − 1.65·23-s + 1.82·24-s + 2.50·25-s − 0.475·26-s + 2.38·27-s − 0.000301·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 61 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 61 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(61\)
Sign: $1$
Analytic conductor: \(19.0554\)
Root analytic conductor: \(4.36525\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 61,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(2.823756740\)
\(L(\frac12)\) \(\approx\) \(2.823756740\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad61 \( 1 + 2.26e5T \)
good2 \( 1 + 11.3T + 128T^{2} \)
3 \( 1 - 85.1T + 2.18e3T^{2} \)
5 \( 1 - 523.T + 7.81e4T^{2} \)
7 \( 1 - 503.T + 8.23e5T^{2} \)
11 \( 1 - 635.T + 1.94e7T^{2} \)
13 \( 1 - 3.76e3T + 6.27e7T^{2} \)
17 \( 1 + 3.03e4T + 4.10e8T^{2} \)
19 \( 1 + 3.02e4T + 8.93e8T^{2} \)
23 \( 1 + 9.63e4T + 3.40e9T^{2} \)
29 \( 1 - 6.08e4T + 1.72e10T^{2} \)
31 \( 1 - 1.97e5T + 2.75e10T^{2} \)
37 \( 1 + 1.12e5T + 9.49e10T^{2} \)
41 \( 1 + 2.48e5T + 1.94e11T^{2} \)
43 \( 1 + 4.27e5T + 2.71e11T^{2} \)
47 \( 1 - 9.61e5T + 5.06e11T^{2} \)
53 \( 1 + 6.35e5T + 1.17e12T^{2} \)
59 \( 1 - 2.15e5T + 2.48e12T^{2} \)
67 \( 1 - 6.17e5T + 6.06e12T^{2} \)
71 \( 1 - 3.71e6T + 9.09e12T^{2} \)
73 \( 1 + 3.02e6T + 1.10e13T^{2} \)
79 \( 1 + 2.98e6T + 1.92e13T^{2} \)
83 \( 1 + 7.47e4T + 2.71e13T^{2} \)
89 \( 1 + 1.08e7T + 4.42e13T^{2} \)
97 \( 1 - 1.56e7T + 8.07e13T^{2} \)
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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

−13.76249682512031017182929488667, −13.08674687879280158847908943020, −10.49828694121296789697234049075, −9.757518266322662709138874870646, −8.818651934776523957128599375328, −8.278400065137968045241990375033, −6.60383120723516614673772052409, −4.43096910294411237370849928926, −2.28765560219081351487506586243, −1.59794708228845112525402192455, 1.59794708228845112525402192455, 2.28765560219081351487506586243, 4.43096910294411237370849928926, 6.60383120723516614673772052409, 8.278400065137968045241990375033, 8.818651934776523957128599375328, 9.757518266322662709138874870646, 10.49828694121296789697234049075, 13.08674687879280158847908943020, 13.76249682512031017182929488667

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