Properties

Label 2-242-1.1-c7-0-49
Degree $2$
Conductor $242$
Sign $1$
Analytic cond. $75.5971$
Root an. cond. $8.69466$
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  + 8·2-s + 47.3·3-s + 64·4-s + 499.·5-s + 378.·6-s + 1.39e3·7-s + 512·8-s + 55.9·9-s + 3.99e3·10-s + 3.03e3·12-s + 471.·13-s + 1.11e4·14-s + 2.36e4·15-s + 4.09e3·16-s − 1.77e4·17-s + 447.·18-s + 3.74e4·19-s + 3.19e4·20-s + 6.59e4·21-s − 3.14e4·23-s + 2.42e4·24-s + 1.71e5·25-s + 3.76e3·26-s − 1.00e5·27-s + 8.90e4·28-s + 1.61e5·29-s + 1.89e5·30-s + ⋯
L(s)  = 1  + 0.707·2-s + 1.01·3-s + 0.5·4-s + 1.78·5-s + 0.716·6-s + 1.53·7-s + 0.353·8-s + 0.0255·9-s + 1.26·10-s + 0.506·12-s + 0.0594·13-s + 1.08·14-s + 1.80·15-s + 0.250·16-s − 0.874·17-s + 0.0180·18-s + 1.25·19-s + 0.893·20-s + 1.55·21-s − 0.539·23-s + 0.358·24-s + 2.19·25-s + 0.0420·26-s − 0.986·27-s + 0.766·28-s + 1.22·29-s + 1.27·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 242 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 242 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(242\)    =    \(2 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(75.5971\)
Root analytic conductor: \(8.69466\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 242,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(8.073161558\)
\(L(\frac12)\) \(\approx\) \(8.073161558\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 8T \)
11 \( 1 \)
good3 \( 1 - 47.3T + 2.18e3T^{2} \)
5 \( 1 - 499.T + 7.81e4T^{2} \)
7 \( 1 - 1.39e3T + 8.23e5T^{2} \)
13 \( 1 - 471.T + 6.27e7T^{2} \)
17 \( 1 + 1.77e4T + 4.10e8T^{2} \)
19 \( 1 - 3.74e4T + 8.93e8T^{2} \)
23 \( 1 + 3.14e4T + 3.40e9T^{2} \)
29 \( 1 - 1.61e5T + 1.72e10T^{2} \)
31 \( 1 + 2.65e5T + 2.75e10T^{2} \)
37 \( 1 + 1.76e5T + 9.49e10T^{2} \)
41 \( 1 + 7.46e5T + 1.94e11T^{2} \)
43 \( 1 + 3.25e5T + 2.71e11T^{2} \)
47 \( 1 + 5.78e5T + 5.06e11T^{2} \)
53 \( 1 + 2.03e6T + 1.17e12T^{2} \)
59 \( 1 - 4.88e5T + 2.48e12T^{2} \)
61 \( 1 - 1.46e6T + 3.14e12T^{2} \)
67 \( 1 - 2.85e6T + 6.06e12T^{2} \)
71 \( 1 + 3.90e6T + 9.09e12T^{2} \)
73 \( 1 + 2.92e6T + 1.10e13T^{2} \)
79 \( 1 - 6.61e6T + 1.92e13T^{2} \)
83 \( 1 - 1.74e6T + 2.71e13T^{2} \)
89 \( 1 - 1.02e6T + 4.42e13T^{2} \)
97 \( 1 - 1.21e7T + 8.07e13T^{2} \)
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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

−10.88422222053938004173938637929, −9.841224145401184788693555094583, −8.885944419443715638982840806964, −8.028368496224458418611463218979, −6.74168171457874536943109983798, −5.52212073583887239779009312785, −4.84668551283013680333322875385, −3.24145793411433000006887350823, −2.08146526989796960440133903584, −1.58821490397184076816137052163, 1.58821490397184076816137052163, 2.08146526989796960440133903584, 3.24145793411433000006887350823, 4.84668551283013680333322875385, 5.52212073583887239779009312785, 6.74168171457874536943109983798, 8.028368496224458418611463218979, 8.885944419443715638982840806964, 9.841224145401184788693555094583, 10.88422222053938004173938637929

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