Properties

Label 2-1028-1.1-c5-0-80
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  + 21.3·3-s − 101.·5-s − 45.0·7-s + 210.·9-s − 391.·11-s + 955.·13-s − 2.16e3·15-s + 1.39e3·17-s + 184.·19-s − 959.·21-s − 812.·23-s + 7.15e3·25-s − 682.·27-s + 4.46e3·29-s − 2.19e3·31-s − 8.33e3·33-s + 4.56e3·35-s − 4.27e3·37-s + 2.03e4·39-s − 18.0·41-s − 8.04e3·43-s − 2.13e4·45-s + 1.78e4·47-s − 1.47e4·49-s + 2.96e4·51-s − 7.97e3·53-s + 3.96e4·55-s + ⋯
L(s)  = 1  + 1.36·3-s − 1.81·5-s − 0.347·7-s + 0.868·9-s − 0.974·11-s + 1.56·13-s − 2.47·15-s + 1.16·17-s + 0.117·19-s − 0.474·21-s − 0.320·23-s + 2.28·25-s − 0.180·27-s + 0.985·29-s − 0.409·31-s − 1.33·33-s + 0.630·35-s − 0.513·37-s + 2.14·39-s − 0.00167·41-s − 0.663·43-s − 1.57·45-s + 1.17·47-s − 0.879·49-s + 1.59·51-s − 0.390·53-s + 1.76·55-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 \( 1 - 21.3T + 243T^{2} \)
5 \( 1 + 101.T + 3.12e3T^{2} \)
7 \( 1 + 45.0T + 1.68e4T^{2} \)
11 \( 1 + 391.T + 1.61e5T^{2} \)
13 \( 1 - 955.T + 3.71e5T^{2} \)
17 \( 1 - 1.39e3T + 1.41e6T^{2} \)
19 \( 1 - 184.T + 2.47e6T^{2} \)
23 \( 1 + 812.T + 6.43e6T^{2} \)
29 \( 1 - 4.46e3T + 2.05e7T^{2} \)
31 \( 1 + 2.19e3T + 2.86e7T^{2} \)
37 \( 1 + 4.27e3T + 6.93e7T^{2} \)
41 \( 1 + 18.0T + 1.15e8T^{2} \)
43 \( 1 + 8.04e3T + 1.47e8T^{2} \)
47 \( 1 - 1.78e4T + 2.29e8T^{2} \)
53 \( 1 + 7.97e3T + 4.18e8T^{2} \)
59 \( 1 + 3.19e4T + 7.14e8T^{2} \)
61 \( 1 + 1.82e4T + 8.44e8T^{2} \)
67 \( 1 + 3.01e3T + 1.35e9T^{2} \)
71 \( 1 - 6.78e4T + 1.80e9T^{2} \)
73 \( 1 - 8.15e4T + 2.07e9T^{2} \)
79 \( 1 + 1.98e4T + 3.07e9T^{2} \)
83 \( 1 - 3.80e4T + 3.93e9T^{2} \)
89 \( 1 - 6.06e4T + 5.58e9T^{2} \)
97 \( 1 + 1.18e5T + 8.58e9T^{2} \)
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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

−8.492245861375178054705251136420, −8.031039752621322140472207466960, −7.58991308038008769530780832764, −6.47907591113563026568032556266, −5.13976453749821529778318570858, −3.89847381176497470740431596665, −3.47657529834809180546733767019, −2.75011826062746277892422109736, −1.20777433895735679220751497161, 0, 1.20777433895735679220751497161, 2.75011826062746277892422109736, 3.47657529834809180546733767019, 3.89847381176497470740431596665, 5.13976453749821529778318570858, 6.47907591113563026568032556266, 7.58991308038008769530780832764, 8.031039752621322140472207466960, 8.492245861375178054705251136420

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