Properties

Label 2-805-1.1-c1-0-25
Degree $2$
Conductor $805$
Sign $-1$
Analytic cond. $6.42795$
Root an. cond. $2.53534$
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  − 1.78·2-s + 0.0742·3-s + 1.19·4-s + 5-s − 0.132·6-s − 7-s + 1.43·8-s − 2.99·9-s − 1.78·10-s + 4.34·11-s + 0.0887·12-s − 5.31·13-s + 1.78·14-s + 0.0742·15-s − 4.96·16-s − 2.25·17-s + 5.35·18-s + 2.09·19-s + 1.19·20-s − 0.0742·21-s − 7.76·22-s + 23-s + 0.106·24-s + 25-s + 9.49·26-s − 0.444·27-s − 1.19·28-s + ⋯
L(s)  = 1  − 1.26·2-s + 0.0428·3-s + 0.597·4-s + 0.447·5-s − 0.0541·6-s − 0.377·7-s + 0.508·8-s − 0.998·9-s − 0.565·10-s + 1.30·11-s + 0.0256·12-s − 1.47·13-s + 0.477·14-s + 0.0191·15-s − 1.24·16-s − 0.547·17-s + 1.26·18-s + 0.480·19-s + 0.267·20-s − 0.0161·21-s − 1.65·22-s + 0.208·23-s + 0.0217·24-s + 0.200·25-s + 1.86·26-s − 0.0856·27-s − 0.225·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 805 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 805 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(805\)    =    \(5 \cdot 7 \cdot 23\)
Sign: $-1$
Analytic conductor: \(6.42795\)
Root analytic conductor: \(2.53534\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 805,\ (\ :1/2),\ -1)\)

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)$
bad5 \( 1 - T \)
7 \( 1 + T \)
23 \( 1 - T \)
good2 \( 1 + 1.78T + 2T^{2} \)
3 \( 1 - 0.0742T + 3T^{2} \)
11 \( 1 - 4.34T + 11T^{2} \)
13 \( 1 + 5.31T + 13T^{2} \)
17 \( 1 + 2.25T + 17T^{2} \)
19 \( 1 - 2.09T + 19T^{2} \)
29 \( 1 + 8.32T + 29T^{2} \)
31 \( 1 - 3.81T + 31T^{2} \)
37 \( 1 + 3.34T + 37T^{2} \)
41 \( 1 - 0.389T + 41T^{2} \)
43 \( 1 + 2.40T + 43T^{2} \)
47 \( 1 - 0.385T + 47T^{2} \)
53 \( 1 + 9.38T + 53T^{2} \)
59 \( 1 + 7.25T + 59T^{2} \)
61 \( 1 - 8.11T + 61T^{2} \)
67 \( 1 + 11.6T + 67T^{2} \)
71 \( 1 + 11.0T + 71T^{2} \)
73 \( 1 + 3.78T + 73T^{2} \)
79 \( 1 - 5.30T + 79T^{2} \)
83 \( 1 + 13.7T + 83T^{2} \)
89 \( 1 + 15.1T + 89T^{2} \)
97 \( 1 + 18.7T + 97T^{2} \)
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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

−9.441861027340441765284380604918, −9.295141721707443545432556282607, −8.362899255399258292531031776487, −7.35693536711150059307938131014, −6.64464165050798005104868337127, −5.53632910444451408634318049657, −4.38018957894275627252475535486, −2.90719131952393928460958889380, −1.67160727971038686107907343428, 0, 1.67160727971038686107907343428, 2.90719131952393928460958889380, 4.38018957894275627252475535486, 5.53632910444451408634318049657, 6.64464165050798005104868337127, 7.35693536711150059307938131014, 8.362899255399258292531031776487, 9.295141721707443545432556282607, 9.441861027340441765284380604918

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