Properties

Label 2-1027-1.1-c1-0-28
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  − 1.17·2-s − 1.77·3-s − 0.608·4-s − 1.41·5-s + 2.09·6-s + 1.49·7-s + 3.07·8-s + 0.153·9-s + 1.66·10-s − 4.42·11-s + 1.07·12-s + 13-s − 1.76·14-s + 2.51·15-s − 2.41·16-s + 7.76·17-s − 0.180·18-s − 2.09·19-s + 0.859·20-s − 2.65·21-s + 5.21·22-s + 5.13·23-s − 5.46·24-s − 3.00·25-s − 1.17·26-s + 5.05·27-s − 0.907·28-s + ⋯
L(s)  = 1  − 0.834·2-s − 1.02·3-s − 0.304·4-s − 0.632·5-s + 0.855·6-s + 0.564·7-s + 1.08·8-s + 0.0510·9-s + 0.527·10-s − 1.33·11-s + 0.311·12-s + 0.277·13-s − 0.470·14-s + 0.648·15-s − 0.603·16-s + 1.88·17-s − 0.0426·18-s − 0.479·19-s + 0.192·20-s − 0.578·21-s + 1.11·22-s + 1.07·23-s − 1.11·24-s − 0.600·25-s − 0.231·26-s + 0.972·27-s − 0.171·28-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 \( 1 + 1.17T + 2T^{2} \)
3 \( 1 + 1.77T + 3T^{2} \)
5 \( 1 + 1.41T + 5T^{2} \)
7 \( 1 - 1.49T + 7T^{2} \)
11 \( 1 + 4.42T + 11T^{2} \)
17 \( 1 - 7.76T + 17T^{2} \)
19 \( 1 + 2.09T + 19T^{2} \)
23 \( 1 - 5.13T + 23T^{2} \)
29 \( 1 + 1.74T + 29T^{2} \)
31 \( 1 - 6.69T + 31T^{2} \)
37 \( 1 - 5.38T + 37T^{2} \)
41 \( 1 + 6.74T + 41T^{2} \)
43 \( 1 - 9.07T + 43T^{2} \)
47 \( 1 + 10.4T + 47T^{2} \)
53 \( 1 + 8.70T + 53T^{2} \)
59 \( 1 - 6.66T + 59T^{2} \)
61 \( 1 + 9.44T + 61T^{2} \)
67 \( 1 - 1.30T + 67T^{2} \)
71 \( 1 + 7.90T + 71T^{2} \)
73 \( 1 + 11.7T + 73T^{2} \)
83 \( 1 + 14.3T + 83T^{2} \)
89 \( 1 + 1.24T + 89T^{2} \)
97 \( 1 - 9.40T + 97T^{2} \)
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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

−9.713873763896318747532291316832, −8.463561082963469012924015563837, −7.994816968121518341811756128278, −7.34016845815598885889978044139, −5.99290875552858898090004056805, −5.16406716053947912915927306834, −4.50870927691619408258674570205, −3.08142788595485815145384767713, −1.22866033851835373515191519156, 0, 1.22866033851835373515191519156, 3.08142788595485815145384767713, 4.50870927691619408258674570205, 5.16406716053947912915927306834, 5.99290875552858898090004056805, 7.34016845815598885889978044139, 7.994816968121518341811756128278, 8.463561082963469012924015563837, 9.713873763896318747532291316832

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