Properties

Label 2-775-1.1-c1-0-46
Degree $2$
Conductor $775$
Sign $-1$
Analytic cond. $6.18840$
Root an. cond. $2.48765$
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  + 1.41·2-s + 0.517·3-s + 0.732·6-s − 2.44·7-s − 2.82·8-s − 2.73·9-s − 4.73·11-s − 2.44·13-s − 3.46·14-s − 4.00·16-s + 2.96·17-s − 3.86·18-s + 3.19·19-s − 1.26·21-s − 6.69·22-s − 1.41·23-s − 1.46·24-s − 3.46·26-s − 2.96·27-s + 2.19·29-s + 31-s − 2.44·33-s + 4.19·34-s − 0.896·37-s + ⋯
L(s)  = 1  + 1.00·2-s + 0.298·3-s + 0.298·6-s − 0.925·7-s − 0.999·8-s − 0.910·9-s − 1.42·11-s − 0.679·13-s − 0.925·14-s − 1.00·16-s + 0.719·17-s − 0.910·18-s + 0.733·19-s − 0.276·21-s − 1.42·22-s − 0.294·23-s − 0.298·24-s − 0.679·26-s − 0.571·27-s + 0.407·29-s + 0.179·31-s − 0.426·33-s + 0.719·34-s − 0.147·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 775 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 775 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(775\)    =    \(5^{2} \cdot 31\)
Sign: $-1$
Analytic conductor: \(6.18840\)
Root analytic conductor: \(2.48765\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 775,\ (\ :1/2),\ -1)\)

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 \( 1 \)
31 \( 1 - T \)
good2 \( 1 - 1.41T + 2T^{2} \)
3 \( 1 - 0.517T + 3T^{2} \)
7 \( 1 + 2.44T + 7T^{2} \)
11 \( 1 + 4.73T + 11T^{2} \)
13 \( 1 + 2.44T + 13T^{2} \)
17 \( 1 - 2.96T + 17T^{2} \)
19 \( 1 - 3.19T + 19T^{2} \)
23 \( 1 + 1.41T + 23T^{2} \)
29 \( 1 - 2.19T + 29T^{2} \)
37 \( 1 + 0.896T + 37T^{2} \)
41 \( 1 + 5.53T + 41T^{2} \)
43 \( 1 - 12.4T + 43T^{2} \)
47 \( 1 - 8.76T + 47T^{2} \)
53 \( 1 - 1.27T + 53T^{2} \)
59 \( 1 + 9.92T + 59T^{2} \)
61 \( 1 + 14.3T + 61T^{2} \)
67 \( 1 - 2.44T + 67T^{2} \)
71 \( 1 + 7.73T + 71T^{2} \)
73 \( 1 + 8.24T + 73T^{2} \)
79 \( 1 + 4.19T + 79T^{2} \)
83 \( 1 + 14.5T + 83T^{2} \)
89 \( 1 + 14.1T + 89T^{2} \)
97 \( 1 + 11.5T + 97T^{2} \)
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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

−9.834883541381461608623293399895, −9.119301394965771544124690336825, −8.125565461847610592246747914130, −7.24066680870097004245529983982, −5.90811690278825290464974306217, −5.49263062509956758706354947285, −4.41314923682166482223404288345, −3.10694841370739247092999295528, −2.75842571477002912168721833635, 0, 2.75842571477002912168721833635, 3.10694841370739247092999295528, 4.41314923682166482223404288345, 5.49263062509956758706354947285, 5.90811690278825290464974306217, 7.24066680870097004245529983982, 8.125565461847610592246747914130, 9.119301394965771544124690336825, 9.834883541381461608623293399895

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