Properties

Label 2-1027-1.1-c1-0-26
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.794·2-s + 0.0149·3-s − 1.36·4-s + 3.43·5-s − 0.0118·6-s + 2.82·7-s + 2.67·8-s − 2.99·9-s − 2.72·10-s + 3.50·11-s − 0.0204·12-s + 13-s − 2.24·14-s + 0.0512·15-s + 0.613·16-s + 5.15·17-s + 2.38·18-s − 1.66·19-s − 4.70·20-s + 0.0421·21-s − 2.78·22-s − 5.82·23-s + 0.0398·24-s + 6.80·25-s − 0.794·26-s − 0.0894·27-s − 3.86·28-s + ⋯
L(s)  = 1  − 0.561·2-s + 0.00860·3-s − 0.684·4-s + 1.53·5-s − 0.00483·6-s + 1.06·7-s + 0.946·8-s − 0.999·9-s − 0.862·10-s + 1.05·11-s − 0.00589·12-s + 0.277·13-s − 0.599·14-s + 0.0132·15-s + 0.153·16-s + 1.25·17-s + 0.561·18-s − 0.381·19-s − 1.05·20-s + 0.00919·21-s − 0.593·22-s − 1.21·23-s + 0.00814·24-s + 1.36·25-s − 0.155·26-s − 0.0172·27-s − 0.731·28-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: \(0\)
Selberg data: \((2,\ 1027,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.545969265\)
\(L(\frac12)\) \(\approx\) \(1.545969265\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.794T + 2T^{2} \)
3 \( 1 - 0.0149T + 3T^{2} \)
5 \( 1 - 3.43T + 5T^{2} \)
7 \( 1 - 2.82T + 7T^{2} \)
11 \( 1 - 3.50T + 11T^{2} \)
17 \( 1 - 5.15T + 17T^{2} \)
19 \( 1 + 1.66T + 19T^{2} \)
23 \( 1 + 5.82T + 23T^{2} \)
29 \( 1 + 3.06T + 29T^{2} \)
31 \( 1 - 7.05T + 31T^{2} \)
37 \( 1 + 2.44T + 37T^{2} \)
41 \( 1 + 6.63T + 41T^{2} \)
43 \( 1 - 5.70T + 43T^{2} \)
47 \( 1 + 5.15T + 47T^{2} \)
53 \( 1 - 8.82T + 53T^{2} \)
59 \( 1 - 2.57T + 59T^{2} \)
61 \( 1 - 6.11T + 61T^{2} \)
67 \( 1 + 9.16T + 67T^{2} \)
71 \( 1 - 5.67T + 71T^{2} \)
73 \( 1 - 2.78T + 73T^{2} \)
83 \( 1 - 3.49T + 83T^{2} \)
89 \( 1 - 9.94T + 89T^{2} \)
97 \( 1 - 4.45T + 97T^{2} \)
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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

−9.914807314455678460173095796698, −9.065555207403652051836608986576, −8.496774766071909363127789527712, −7.76546191736361770223195877339, −6.38067443479027787856245822735, −5.64666910925615446578259963327, −4.90745351324680341604897387030, −3.69850553222556603099007784631, −2.11114940150595537439901642562, −1.18258613286613865458031054073, 1.18258613286613865458031054073, 2.11114940150595537439901642562, 3.69850553222556603099007784631, 4.90745351324680341604897387030, 5.64666910925615446578259963327, 6.38067443479027787856245822735, 7.76546191736361770223195877339, 8.496774766071909363127789527712, 9.065555207403652051836608986576, 9.914807314455678460173095796698

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