Properties

Label 2-98-1.1-c15-0-19
Degree $2$
Conductor $98$
Sign $-1$
Analytic cond. $139.839$
Root an. cond. $11.8253$
Motivic weight $15$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 128·2-s − 2.50e3·3-s + 1.63e4·4-s − 1.54e5·5-s + 3.20e5·6-s − 2.09e6·8-s − 8.09e6·9-s + 1.98e7·10-s − 2.08e7·11-s − 4.09e7·12-s + 1.06e8·13-s + 3.86e8·15-s + 2.68e8·16-s − 2.34e9·17-s + 1.03e9·18-s + 1.94e9·19-s − 2.53e9·20-s + 2.66e9·22-s + 1.55e10·23-s + 5.24e9·24-s − 6.56e9·25-s − 1.36e10·26-s + 5.61e10·27-s − 4.01e10·29-s − 4.95e10·30-s − 9.58e10·31-s − 3.43e10·32-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.660·3-s + 0.5·4-s − 0.886·5-s + 0.466·6-s − 0.353·8-s − 0.564·9-s + 0.626·10-s − 0.322·11-s − 0.330·12-s + 0.471·13-s + 0.584·15-s + 0.250·16-s − 1.38·17-s + 0.399·18-s + 0.499·19-s − 0.443·20-s + 0.228·22-s + 0.949·23-s + 0.233·24-s − 0.214·25-s − 0.333·26-s + 1.03·27-s − 0.432·29-s − 0.413·30-s − 0.625·31-s − 0.176·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 98 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(16-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 98 ^{s/2} \, \Gamma_{\C}(s+15/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(98\)    =    \(2 \cdot 7^{2}\)
Sign: $-1$
Analytic conductor: \(139.839\)
Root analytic conductor: \(11.8253\)
Motivic weight: \(15\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 98,\ (\ :15/2),\ -1)\)

Particular Values

\(L(8)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{17}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 128T \)
7 \( 1 \)
good3 \( 1 + 2.50e3T + 1.43e7T^{2} \)
5 \( 1 + 1.54e5T + 3.05e10T^{2} \)
11 \( 1 + 2.08e7T + 4.17e15T^{2} \)
13 \( 1 - 1.06e8T + 5.11e16T^{2} \)
17 \( 1 + 2.34e9T + 2.86e18T^{2} \)
19 \( 1 - 1.94e9T + 1.51e19T^{2} \)
23 \( 1 - 1.55e10T + 2.66e20T^{2} \)
29 \( 1 + 4.01e10T + 8.62e21T^{2} \)
31 \( 1 + 9.58e10T + 2.34e22T^{2} \)
37 \( 1 - 1.36e11T + 3.33e23T^{2} \)
41 \( 1 - 1.26e12T + 1.55e24T^{2} \)
43 \( 1 + 3.56e11T + 3.17e24T^{2} \)
47 \( 1 - 2.06e12T + 1.20e25T^{2} \)
53 \( 1 + 4.41e12T + 7.31e25T^{2} \)
59 \( 1 - 3.62e13T + 3.65e26T^{2} \)
61 \( 1 + 1.26e13T + 6.02e26T^{2} \)
67 \( 1 + 1.01e13T + 2.46e27T^{2} \)
71 \( 1 - 1.08e14T + 5.87e27T^{2} \)
73 \( 1 - 2.15e13T + 8.90e27T^{2} \)
79 \( 1 - 1.41e14T + 2.91e28T^{2} \)
83 \( 1 - 3.99e14T + 6.11e28T^{2} \)
89 \( 1 - 7.39e14T + 1.74e29T^{2} \)
97 \( 1 + 8.03e14T + 6.33e29T^{2} \)
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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

−10.89154443146265034879749642660, −9.316998403325896251388205177111, −8.386686159897592541398041991610, −7.35015671686176769777863326254, −6.27668359732539413340841635127, −5.08557185430345931805857704978, −3.70296609677278217195543591770, −2.39328111416619906354905388769, −0.840612142932281467632883911001, 0, 0.840612142932281467632883911001, 2.39328111416619906354905388769, 3.70296609677278217195543591770, 5.08557185430345931805857704978, 6.27668359732539413340841635127, 7.35015671686176769777863326254, 8.386686159897592541398041991610, 9.316998403325896251388205177111, 10.89154443146265034879749642660

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