Properties

Label 2-1028-1.1-c5-0-102
Degree $2$
Conductor $1028$
Sign $-1$
Analytic cond. $164.874$
Root an. cond. $12.8403$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 23.5·3-s + 27.0·5-s + 36.8·7-s + 312.·9-s − 492.·11-s − 13.9·13-s + 636.·15-s + 1.07e3·17-s − 1.50e3·19-s + 867.·21-s − 3.47e3·23-s − 2.39e3·25-s + 1.63e3·27-s − 2.94e3·29-s − 1.97e3·31-s − 1.16e4·33-s + 994.·35-s + 867.·37-s − 328.·39-s + 6.69e3·41-s − 8.05e3·43-s + 8.44e3·45-s − 203.·47-s − 1.54e4·49-s + 2.53e4·51-s − 1.15e4·53-s − 1.33e4·55-s + ⋯
L(s)  = 1  + 1.51·3-s + 0.483·5-s + 0.283·7-s + 1.28·9-s − 1.22·11-s − 0.0228·13-s + 0.730·15-s + 0.900·17-s − 0.958·19-s + 0.429·21-s − 1.37·23-s − 0.766·25-s + 0.432·27-s − 0.650·29-s − 0.369·31-s − 1.85·33-s + 0.137·35-s + 0.104·37-s − 0.0345·39-s + 0.621·41-s − 0.664·43-s + 0.621·45-s − 0.0134·47-s − 0.919·49-s + 1.36·51-s − 0.566·53-s − 0.593·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1028 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1028 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1028\)    =    \(2^{2} \cdot 257\)
Sign: $-1$
Analytic conductor: \(164.874\)
Root analytic conductor: \(12.8403\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1028,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
257 \( 1 - 6.60e4T \)
good3 \( 1 - 23.5T + 243T^{2} \)
5 \( 1 - 27.0T + 3.12e3T^{2} \)
7 \( 1 - 36.8T + 1.68e4T^{2} \)
11 \( 1 + 492.T + 1.61e5T^{2} \)
13 \( 1 + 13.9T + 3.71e5T^{2} \)
17 \( 1 - 1.07e3T + 1.41e6T^{2} \)
19 \( 1 + 1.50e3T + 2.47e6T^{2} \)
23 \( 1 + 3.47e3T + 6.43e6T^{2} \)
29 \( 1 + 2.94e3T + 2.05e7T^{2} \)
31 \( 1 + 1.97e3T + 2.86e7T^{2} \)
37 \( 1 - 867.T + 6.93e7T^{2} \)
41 \( 1 - 6.69e3T + 1.15e8T^{2} \)
43 \( 1 + 8.05e3T + 1.47e8T^{2} \)
47 \( 1 + 203.T + 2.29e8T^{2} \)
53 \( 1 + 1.15e4T + 4.18e8T^{2} \)
59 \( 1 + 1.44e4T + 7.14e8T^{2} \)
61 \( 1 - 5.39e3T + 8.44e8T^{2} \)
67 \( 1 - 3.04e4T + 1.35e9T^{2} \)
71 \( 1 + 6.48e4T + 1.80e9T^{2} \)
73 \( 1 + 1.45e4T + 2.07e9T^{2} \)
79 \( 1 - 4.53e4T + 3.07e9T^{2} \)
83 \( 1 - 1.03e5T + 3.93e9T^{2} \)
89 \( 1 + 1.14e5T + 5.58e9T^{2} \)
97 \( 1 + 2.87e3T + 8.58e9T^{2} \)
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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

−8.694438799439400061545586260410, −7.914714182696203336604456777829, −7.61998196911429164081146304330, −6.22676939297970885023650117936, −5.32683233911866726225968197267, −4.17471177542634334635109289042, −3.26495187003277379052577508632, −2.30945564133706563024575811370, −1.71294924632650491245736383942, 0, 1.71294924632650491245736383942, 2.30945564133706563024575811370, 3.26495187003277379052577508632, 4.17471177542634334635109289042, 5.32683233911866726225968197267, 6.22676939297970885023650117936, 7.61998196911429164081146304330, 7.914714182696203336604456777829, 8.694438799439400061545586260410

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