Properties

Label 2-98-1.1-c3-0-5
Degree $2$
Conductor $98$
Sign $-1$
Analytic cond. $5.78218$
Root an. cond. $2.40461$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s − 8·3-s + 4·4-s + 14·5-s + 16·6-s − 8·8-s + 37·9-s − 28·10-s − 28·11-s − 32·12-s − 18·13-s − 112·15-s + 16·16-s − 74·17-s − 74·18-s − 80·19-s + 56·20-s + 56·22-s − 112·23-s + 64·24-s + 71·25-s + 36·26-s − 80·27-s + 190·29-s + 224·30-s − 72·31-s − 32·32-s + ⋯
L(s)  = 1  − 0.707·2-s − 1.53·3-s + 1/2·4-s + 1.25·5-s + 1.08·6-s − 0.353·8-s + 1.37·9-s − 0.885·10-s − 0.767·11-s − 0.769·12-s − 0.384·13-s − 1.92·15-s + 1/4·16-s − 1.05·17-s − 0.968·18-s − 0.965·19-s + 0.626·20-s + 0.542·22-s − 1.01·23-s + 0.544·24-s + 0.567·25-s + 0.271·26-s − 0.570·27-s + 1.21·29-s + 1.36·30-s − 0.417·31-s − 0.176·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 98 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 98 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(98\)    =    \(2 \cdot 7^{2}\)
Sign: $-1$
Analytic conductor: \(5.78218\)
Root analytic conductor: \(2.40461\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 98,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + p T \)
7 \( 1 \)
good3 \( 1 + 8 T + p^{3} T^{2} \)
5 \( 1 - 14 T + p^{3} T^{2} \)
11 \( 1 + 28 T + p^{3} T^{2} \)
13 \( 1 + 18 T + p^{3} T^{2} \)
17 \( 1 + 74 T + p^{3} T^{2} \)
19 \( 1 + 80 T + p^{3} T^{2} \)
23 \( 1 + 112 T + p^{3} T^{2} \)
29 \( 1 - 190 T + p^{3} T^{2} \)
31 \( 1 + 72 T + p^{3} T^{2} \)
37 \( 1 + 346 T + p^{3} T^{2} \)
41 \( 1 + 162 T + p^{3} T^{2} \)
43 \( 1 + 412 T + p^{3} T^{2} \)
47 \( 1 + 24 T + p^{3} T^{2} \)
53 \( 1 - 6 p T + p^{3} T^{2} \)
59 \( 1 - 200 T + p^{3} T^{2} \)
61 \( 1 - 198 T + p^{3} T^{2} \)
67 \( 1 + 716 T + p^{3} T^{2} \)
71 \( 1 - 392 T + p^{3} T^{2} \)
73 \( 1 + 538 T + p^{3} T^{2} \)
79 \( 1 - 240 T + p^{3} T^{2} \)
83 \( 1 - 1072 T + p^{3} T^{2} \)
89 \( 1 + 810 T + p^{3} T^{2} \)
97 \( 1 + 1354 T + p^{3} T^{2} \)
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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

−12.68367359460274087992425673239, −11.65704800172437385928584918956, −10.47030007805104726419206257293, −10.10645684573923676463380807841, −8.610106374520820032447895540792, −6.86395319809953272387554387683, −6.03163790570187630286806748029, −4.95526281107430216567908247731, −2.01926087041712851147347298871, 0, 2.01926087041712851147347298871, 4.95526281107430216567908247731, 6.03163790570187630286806748029, 6.86395319809953272387554387683, 8.610106374520820032447895540792, 10.10645684573923676463380807841, 10.47030007805104726419206257293, 11.65704800172437385928584918956, 12.68367359460274087992425673239

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