Properties

Label 2-197-1.1-c7-0-47
Degree $2$
Conductor $197$
Sign $-1$
Analytic cond. $61.5398$
Root an. cond. $7.84473$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 19.8·2-s − 24.8·3-s + 265.·4-s − 146.·5-s + 493.·6-s − 946.·7-s − 2.72e3·8-s − 1.56e3·9-s + 2.91e3·10-s + 5.26e3·11-s − 6.59e3·12-s + 5.56e3·13-s + 1.87e4·14-s + 3.64e3·15-s + 2.00e4·16-s − 2.65e4·17-s + 3.11e4·18-s − 2.47e4·19-s − 3.89e4·20-s + 2.35e4·21-s − 1.04e5·22-s + 5.18e4·23-s + 6.76e4·24-s − 5.65e4·25-s − 1.10e5·26-s + 9.33e4·27-s − 2.50e5·28-s + ⋯
L(s)  = 1  − 1.75·2-s − 0.531·3-s + 2.07·4-s − 0.525·5-s + 0.931·6-s − 1.04·7-s − 1.87·8-s − 0.717·9-s + 0.920·10-s + 1.19·11-s − 1.10·12-s + 0.702·13-s + 1.82·14-s + 0.279·15-s + 1.22·16-s − 1.31·17-s + 1.25·18-s − 0.826·19-s − 1.08·20-s + 0.554·21-s − 2.09·22-s + 0.887·23-s + 0.999·24-s − 0.724·25-s − 1.23·26-s + 0.913·27-s − 2.16·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 197 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 197 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(197\)
Sign: $-1$
Analytic conductor: \(61.5398\)
Root analytic conductor: \(7.84473\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 197,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad197 \( 1 - 7.64e6T \)
good2 \( 1 + 19.8T + 128T^{2} \)
3 \( 1 + 24.8T + 2.18e3T^{2} \)
5 \( 1 + 146.T + 7.81e4T^{2} \)
7 \( 1 + 946.T + 8.23e5T^{2} \)
11 \( 1 - 5.26e3T + 1.94e7T^{2} \)
13 \( 1 - 5.56e3T + 6.27e7T^{2} \)
17 \( 1 + 2.65e4T + 4.10e8T^{2} \)
19 \( 1 + 2.47e4T + 8.93e8T^{2} \)
23 \( 1 - 5.18e4T + 3.40e9T^{2} \)
29 \( 1 + 2.26e5T + 1.72e10T^{2} \)
31 \( 1 - 2.46e5T + 2.75e10T^{2} \)
37 \( 1 - 2.83e5T + 9.49e10T^{2} \)
41 \( 1 - 5.70e5T + 1.94e11T^{2} \)
43 \( 1 - 5.15e5T + 2.71e11T^{2} \)
47 \( 1 - 1.02e6T + 5.06e11T^{2} \)
53 \( 1 + 1.60e6T + 1.17e12T^{2} \)
59 \( 1 - 1.83e6T + 2.48e12T^{2} \)
61 \( 1 - 3.52e5T + 3.14e12T^{2} \)
67 \( 1 + 3.13e6T + 6.06e12T^{2} \)
71 \( 1 - 2.15e6T + 9.09e12T^{2} \)
73 \( 1 - 8.66e5T + 1.10e13T^{2} \)
79 \( 1 - 7.48e6T + 1.92e13T^{2} \)
83 \( 1 - 6.07e6T + 2.71e13T^{2} \)
89 \( 1 - 1.00e7T + 4.42e13T^{2} \)
97 \( 1 + 8.98e6T + 8.07e13T^{2} \)
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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

−10.83950916607678979890719539360, −9.365345616332751008045423664182, −9.006307958744584381471020230703, −7.87775387178422506132510215751, −6.61890429364470564827784418246, −6.17400447343358657528251681388, −3.98481814972512739524226777321, −2.47489512883218816457522953866, −0.896760972295751264681932693150, 0, 0.896760972295751264681932693150, 2.47489512883218816457522953866, 3.98481814972512739524226777321, 6.17400447343358657528251681388, 6.61890429364470564827784418246, 7.87775387178422506132510215751, 9.006307958744584381471020230703, 9.365345616332751008045423664182, 10.83950916607678979890719539360

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