Properties

Label 2-1028-1.1-c5-0-30
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  − 13.6·3-s − 91.2·5-s − 63.7·7-s − 57.2·9-s − 686.·11-s − 962.·13-s + 1.24e3·15-s + 1.47e3·17-s − 1.32e3·19-s + 869.·21-s + 2.40e3·23-s + 5.20e3·25-s + 4.09e3·27-s − 1.73e3·29-s + 4.83e3·31-s + 9.35e3·33-s + 5.82e3·35-s + 9.14e3·37-s + 1.31e4·39-s − 6.86e3·41-s − 6.69e3·43-s + 5.22e3·45-s − 5.97e3·47-s − 1.27e4·49-s − 2.01e4·51-s + 6.46e3·53-s + 6.26e4·55-s + ⋯
L(s)  = 1  − 0.874·3-s − 1.63·5-s − 0.491·7-s − 0.235·9-s − 1.71·11-s − 1.58·13-s + 1.42·15-s + 1.23·17-s − 0.843·19-s + 0.430·21-s + 0.946·23-s + 1.66·25-s + 1.08·27-s − 0.383·29-s + 0.904·31-s + 1.49·33-s + 0.803·35-s + 1.09·37-s + 1.38·39-s − 0.637·41-s − 0.551·43-s + 0.384·45-s − 0.394·47-s − 0.758·49-s − 1.08·51-s + 0.316·53-s + 2.79·55-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 \( 1 + 13.6T + 243T^{2} \)
5 \( 1 + 91.2T + 3.12e3T^{2} \)
7 \( 1 + 63.7T + 1.68e4T^{2} \)
11 \( 1 + 686.T + 1.61e5T^{2} \)
13 \( 1 + 962.T + 3.71e5T^{2} \)
17 \( 1 - 1.47e3T + 1.41e6T^{2} \)
19 \( 1 + 1.32e3T + 2.47e6T^{2} \)
23 \( 1 - 2.40e3T + 6.43e6T^{2} \)
29 \( 1 + 1.73e3T + 2.05e7T^{2} \)
31 \( 1 - 4.83e3T + 2.86e7T^{2} \)
37 \( 1 - 9.14e3T + 6.93e7T^{2} \)
41 \( 1 + 6.86e3T + 1.15e8T^{2} \)
43 \( 1 + 6.69e3T + 1.47e8T^{2} \)
47 \( 1 + 5.97e3T + 2.29e8T^{2} \)
53 \( 1 - 6.46e3T + 4.18e8T^{2} \)
59 \( 1 + 1.22e4T + 7.14e8T^{2} \)
61 \( 1 + 5.53e3T + 8.44e8T^{2} \)
67 \( 1 - 2.72e4T + 1.35e9T^{2} \)
71 \( 1 + 1.84e4T + 1.80e9T^{2} \)
73 \( 1 + 1.39e4T + 2.07e9T^{2} \)
79 \( 1 + 6.95e4T + 3.07e9T^{2} \)
83 \( 1 - 9.54e4T + 3.93e9T^{2} \)
89 \( 1 - 4.44e4T + 5.58e9T^{2} \)
97 \( 1 - 6.75e4T + 8.58e9T^{2} \)
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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

−8.560002634872575493576411565005, −7.78653585173712549676889271963, −7.30989254863583254166271264418, −6.23256526684603842174946123289, −5.09454321483721176612944029463, −4.72293490600202811508125999781, −3.33055953364979653120717360037, −2.63250798133191470857748062274, −0.60160332334945544776814723959, 0, 0.60160332334945544776814723959, 2.63250798133191470857748062274, 3.33055953364979653120717360037, 4.72293490600202811508125999781, 5.09454321483721176612944029463, 6.23256526684603842174946123289, 7.30989254863583254166271264418, 7.78653585173712549676889271963, 8.560002634872575493576411565005

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