Properties

Label 2-775-1.1-c1-0-19
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  − 0.581·2-s − 2.46·3-s − 1.66·4-s + 1.43·6-s − 1.67·7-s + 2.12·8-s + 3.07·9-s + 5.38·11-s + 4.09·12-s − 0.325·13-s + 0.972·14-s + 2.08·16-s − 0.627·17-s − 1.78·18-s − 1.81·19-s + 4.12·21-s − 3.12·22-s + 0.558·23-s − 5.24·24-s + 0.189·26-s − 0.196·27-s + 2.78·28-s + 1.60·29-s + 31-s − 5.46·32-s − 13.2·33-s + 0.364·34-s + ⋯
L(s)  = 1  − 0.410·2-s − 1.42·3-s − 0.831·4-s + 0.584·6-s − 0.632·7-s + 0.752·8-s + 1.02·9-s + 1.62·11-s + 1.18·12-s − 0.0903·13-s + 0.259·14-s + 0.522·16-s − 0.152·17-s − 0.421·18-s − 0.415·19-s + 0.900·21-s − 0.666·22-s + 0.116·23-s − 1.07·24-s + 0.0371·26-s − 0.0378·27-s + 0.525·28-s + 0.297·29-s + 0.179·31-s − 0.966·32-s − 2.31·33-s + 0.0625·34-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 \( 1 + 0.581T + 2T^{2} \)
3 \( 1 + 2.46T + 3T^{2} \)
7 \( 1 + 1.67T + 7T^{2} \)
11 \( 1 - 5.38T + 11T^{2} \)
13 \( 1 + 0.325T + 13T^{2} \)
17 \( 1 + 0.627T + 17T^{2} \)
19 \( 1 + 1.81T + 19T^{2} \)
23 \( 1 - 0.558T + 23T^{2} \)
29 \( 1 - 1.60T + 29T^{2} \)
37 \( 1 + 6.68T + 37T^{2} \)
41 \( 1 + 8.14T + 41T^{2} \)
43 \( 1 + 10.8T + 43T^{2} \)
47 \( 1 - 9.93T + 47T^{2} \)
53 \( 1 + 3.51T + 53T^{2} \)
59 \( 1 - 10.8T + 59T^{2} \)
61 \( 1 + 8.69T + 61T^{2} \)
67 \( 1 - 0.686T + 67T^{2} \)
71 \( 1 - 1.00T + 71T^{2} \)
73 \( 1 - 5.03T + 73T^{2} \)
79 \( 1 + 13.6T + 79T^{2} \)
83 \( 1 - 4.77T + 83T^{2} \)
89 \( 1 + 10.5T + 89T^{2} \)
97 \( 1 - 15.0T + 97T^{2} \)
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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

−9.968749540253452170107207438533, −9.139243844496448643502363350997, −8.395287926742891746683400570219, −6.95512054653585480974233314849, −6.45136232710592368889883233471, −5.42510254810447795726185271561, −4.54150210189823859099802798523, −3.59720404918672105320782946095, −1.34820977695547805735406548244, 0, 1.34820977695547805735406548244, 3.59720404918672105320782946095, 4.54150210189823859099802798523, 5.42510254810447795726185271561, 6.45136232710592368889883233471, 6.95512054653585480974233314849, 8.395287926742891746683400570219, 9.139243844496448643502363350997, 9.968749540253452170107207438533

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