Properties

Label 2-85-1.1-c3-0-13
Degree $2$
Conductor $85$
Sign $-1$
Analytic cond. $5.01516$
Root an. cond. $2.23945$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.22·2-s − 1.15·3-s − 6.50·4-s − 5·5-s − 1.41·6-s + 14.6·7-s − 17.7·8-s − 25.6·9-s − 6.10·10-s − 71.3·11-s + 7.53·12-s − 28.4·13-s + 17.9·14-s + 5.78·15-s + 30.4·16-s + 17·17-s − 31.3·18-s + 85.9·19-s + 32.5·20-s − 16.9·21-s − 87.1·22-s − 7.17·23-s + 20.5·24-s + 25·25-s − 34.6·26-s + 60.9·27-s − 95.4·28-s + ⋯
L(s)  = 1  + 0.431·2-s − 0.222·3-s − 0.813·4-s − 0.447·5-s − 0.0962·6-s + 0.792·7-s − 0.783·8-s − 0.950·9-s − 0.193·10-s − 1.95·11-s + 0.181·12-s − 0.605·13-s + 0.342·14-s + 0.0996·15-s + 0.475·16-s + 0.242·17-s − 0.410·18-s + 1.03·19-s + 0.363·20-s − 0.176·21-s − 0.845·22-s − 0.0650·23-s + 0.174·24-s + 0.200·25-s − 0.261·26-s + 0.434·27-s − 0.644·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 85 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 85 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(85\)    =    \(5 \cdot 17\)
Sign: $-1$
Analytic conductor: \(5.01516\)
Root analytic conductor: \(2.23945\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 85,\ (\ :3/2),\ -1)\)

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)$
bad5 \( 1 + 5T \)
17 \( 1 - 17T \)
good2 \( 1 - 1.22T + 8T^{2} \)
3 \( 1 + 1.15T + 27T^{2} \)
7 \( 1 - 14.6T + 343T^{2} \)
11 \( 1 + 71.3T + 1.33e3T^{2} \)
13 \( 1 + 28.4T + 2.19e3T^{2} \)
19 \( 1 - 85.9T + 6.85e3T^{2} \)
23 \( 1 + 7.17T + 1.21e4T^{2} \)
29 \( 1 + 27.1T + 2.43e4T^{2} \)
31 \( 1 + 15.6T + 2.97e4T^{2} \)
37 \( 1 + 67.0T + 5.06e4T^{2} \)
41 \( 1 + 38.5T + 6.89e4T^{2} \)
43 \( 1 + 251.T + 7.95e4T^{2} \)
47 \( 1 - 57.9T + 1.03e5T^{2} \)
53 \( 1 + 677.T + 1.48e5T^{2} \)
59 \( 1 - 598.T + 2.05e5T^{2} \)
61 \( 1 - 346.T + 2.26e5T^{2} \)
67 \( 1 + 849.T + 3.00e5T^{2} \)
71 \( 1 + 911.T + 3.57e5T^{2} \)
73 \( 1 - 704.T + 3.89e5T^{2} \)
79 \( 1 - 55.8T + 4.93e5T^{2} \)
83 \( 1 + 1.23e3T + 5.71e5T^{2} \)
89 \( 1 + 72.8T + 7.04e5T^{2} \)
97 \( 1 - 972.T + 9.12e5T^{2} \)
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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

−13.27861730112758605271410278167, −12.20926072075997838797404750033, −11.21072371738489772343609553653, −9.968692888679471408754258890624, −8.482916693478330033644212279507, −7.67882372524321502275345666771, −5.51473142833489296868824453609, −4.87101711243109012476822227500, −3.02655369819734180346549618816, 0, 3.02655369819734180346549618816, 4.87101711243109012476822227500, 5.51473142833489296868824453609, 7.67882372524321502275345666771, 8.482916693478330033644212279507, 9.968692888679471408754258890624, 11.21072371738489772343609553653, 12.20926072075997838797404750033, 13.27861730112758605271410278167

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