Properties

Label 2-1027-1.1-c1-0-49
Degree $2$
Conductor $1027$
Sign $-1$
Analytic cond. $8.20063$
Root an. cond. $2.86367$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.05·2-s − 0.874·3-s + 2.23·4-s + 2.05·5-s + 1.79·6-s + 4.62·7-s − 0.480·8-s − 2.23·9-s − 4.23·10-s − 5.06·11-s − 1.95·12-s + 13-s − 9.51·14-s − 1.79·15-s − 3.47·16-s − 3.45·17-s + 4.59·18-s + 1.24·19-s + 4.59·20-s − 4.04·21-s + 10.4·22-s − 9.22·23-s + 0.419·24-s − 0.773·25-s − 2.05·26-s + 4.57·27-s + 10.3·28-s + ⋯
L(s)  = 1  − 1.45·2-s − 0.504·3-s + 1.11·4-s + 0.919·5-s + 0.734·6-s + 1.74·7-s − 0.169·8-s − 0.745·9-s − 1.33·10-s − 1.52·11-s − 0.563·12-s + 0.277·13-s − 2.54·14-s − 0.464·15-s − 0.869·16-s − 0.838·17-s + 1.08·18-s + 0.284·19-s + 1.02·20-s − 0.882·21-s + 2.22·22-s − 1.92·23-s + 0.0857·24-s − 0.154·25-s − 0.403·26-s + 0.880·27-s + 1.95·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1027 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1027 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1027\)    =    \(13 \cdot 79\)
Sign: $-1$
Analytic conductor: \(8.20063\)
Root analytic conductor: \(2.86367\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1027,\ (\ :1/2),\ -1)\)

Particular Values

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

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad13 \( 1 - T \)
79 \( 1 - T \)
good2 \( 1 + 2.05T + 2T^{2} \)
3 \( 1 + 0.874T + 3T^{2} \)
5 \( 1 - 2.05T + 5T^{2} \)
7 \( 1 - 4.62T + 7T^{2} \)
11 \( 1 + 5.06T + 11T^{2} \)
17 \( 1 + 3.45T + 17T^{2} \)
19 \( 1 - 1.24T + 19T^{2} \)
23 \( 1 + 9.22T + 23T^{2} \)
29 \( 1 + 7.54T + 29T^{2} \)
31 \( 1 + 6.85T + 31T^{2} \)
37 \( 1 + 0.239T + 37T^{2} \)
41 \( 1 - 5.84T + 41T^{2} \)
43 \( 1 - 2.02T + 43T^{2} \)
47 \( 1 - 11.7T + 47T^{2} \)
53 \( 1 + 7.33T + 53T^{2} \)
59 \( 1 + 8.29T + 59T^{2} \)
61 \( 1 + 15.0T + 61T^{2} \)
67 \( 1 + 6.03T + 67T^{2} \)
71 \( 1 + 2.52T + 71T^{2} \)
73 \( 1 - 3.09T + 73T^{2} \)
83 \( 1 - 6.24T + 83T^{2} \)
89 \( 1 + 4.31T + 89T^{2} \)
97 \( 1 + 1.83T + 97T^{2} \)
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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

−9.417097606888023516577181737307, −8.760642856730709198421651648886, −7.83455921331813092866950588896, −7.58730975200969541571677414465, −5.99059784575628232311357575716, −5.47849517251692026267152161952, −4.45457666104382658444080264677, −2.34039543211002361660192642088, −1.71591269728763589972714583033, 0, 1.71591269728763589972714583033, 2.34039543211002361660192642088, 4.45457666104382658444080264677, 5.47849517251692026267152161952, 5.99059784575628232311357575716, 7.58730975200969541571677414465, 7.83455921331813092866950588896, 8.760642856730709198421651648886, 9.417097606888023516577181737307

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