Properties

Label 2-98-1.1-c7-0-8
Degree $2$
Conductor $98$
Sign $1$
Analytic cond. $30.6137$
Root an. cond. $5.53296$
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 − 20.8·3-s + 64·4-s + 216.·5-s − 167.·6-s + 512·8-s − 1.75e3·9-s + 1.73e3·10-s + 2.58e3·11-s − 1.33e3·12-s + 8.92e3·13-s − 4.52e3·15-s + 4.09e3·16-s + 1.11e4·17-s − 1.40e4·18-s + 8.64e3·19-s + 1.38e4·20-s + 2.06e4·22-s − 6.60e4·23-s − 1.06e4·24-s − 3.11e4·25-s + 7.13e4·26-s + 8.22e4·27-s + 1.28e5·29-s − 3.62e4·30-s + 2.04e5·31-s + 3.27e4·32-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.446·3-s + 0.5·4-s + 0.775·5-s − 0.315·6-s + 0.353·8-s − 0.800·9-s + 0.548·10-s + 0.584·11-s − 0.223·12-s + 1.12·13-s − 0.346·15-s + 0.250·16-s + 0.548·17-s − 0.566·18-s + 0.289·19-s + 0.387·20-s + 0.413·22-s − 1.13·23-s − 0.157·24-s − 0.398·25-s + 0.796·26-s + 0.803·27-s + 0.980·29-s − 0.244·30-s + 1.23·31-s + 0.176·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 98 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 98 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(98\)    =    \(2 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(30.6137\)
Root analytic conductor: \(5.53296\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 98,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(3.230978825\)
\(L(\frac12)\) \(\approx\) \(3.230978825\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 8T \)
7 \( 1 \)
good3 \( 1 + 20.8T + 2.18e3T^{2} \)
5 \( 1 - 216.T + 7.81e4T^{2} \)
11 \( 1 - 2.58e3T + 1.94e7T^{2} \)
13 \( 1 - 8.92e3T + 6.27e7T^{2} \)
17 \( 1 - 1.11e4T + 4.10e8T^{2} \)
19 \( 1 - 8.64e3T + 8.93e8T^{2} \)
23 \( 1 + 6.60e4T + 3.40e9T^{2} \)
29 \( 1 - 1.28e5T + 1.72e10T^{2} \)
31 \( 1 - 2.04e5T + 2.75e10T^{2} \)
37 \( 1 - 4.91e5T + 9.49e10T^{2} \)
41 \( 1 - 6.23e5T + 1.94e11T^{2} \)
43 \( 1 - 4.22e5T + 2.71e11T^{2} \)
47 \( 1 - 1.20e6T + 5.06e11T^{2} \)
53 \( 1 + 1.27e6T + 1.17e12T^{2} \)
59 \( 1 + 1.68e6T + 2.48e12T^{2} \)
61 \( 1 + 2.12e6T + 3.14e12T^{2} \)
67 \( 1 + 3.34e6T + 6.06e12T^{2} \)
71 \( 1 - 2.49e6T + 9.09e12T^{2} \)
73 \( 1 - 3.27e6T + 1.10e13T^{2} \)
79 \( 1 + 4.19e6T + 1.92e13T^{2} \)
83 \( 1 + 3.35e6T + 2.71e13T^{2} \)
89 \( 1 + 2.39e6T + 4.42e13T^{2} \)
97 \( 1 + 4.51e6T + 8.07e13T^{2} \)
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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

−12.47081475771959736760449757338, −11.59752989319826970808790626767, −10.61499856601316767402627559887, −9.372830083780980812941048813524, −7.984567752194569375783974300840, −6.18946242750792278272848347253, −5.86967758712021433427887910180, −4.27153298183021187708993559745, −2.74661911354849801807531505003, −1.12111117009806743020517413200, 1.12111117009806743020517413200, 2.74661911354849801807531505003, 4.27153298183021187708993559745, 5.86967758712021433427887910180, 6.18946242750792278272848347253, 7.984567752194569375783974300840, 9.372830083780980812941048813524, 10.61499856601316767402627559887, 11.59752989319826970808790626767, 12.47081475771959736760449757338

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