Properties

Label 2-775-1.1-c1-0-17
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  − 2.35·2-s − 1.91·3-s + 3.53·4-s + 4.51·6-s + 0.845·7-s − 3.62·8-s + 0.675·9-s − 1.11·11-s − 6.78·12-s − 2.84·13-s − 1.99·14-s + 1.44·16-s + 3.11·17-s − 1.59·18-s + 4.69·19-s − 1.62·21-s + 2.62·22-s − 4.28·23-s + 6.94·24-s + 6.69·26-s + 4.45·27-s + 2.99·28-s − 2.93·29-s + 31-s + 3.84·32-s + 2.13·33-s − 7.33·34-s + ⋯
L(s)  = 1  − 1.66·2-s − 1.10·3-s + 1.76·4-s + 1.84·6-s + 0.319·7-s − 1.28·8-s + 0.225·9-s − 0.335·11-s − 1.95·12-s − 0.789·13-s − 0.532·14-s + 0.361·16-s + 0.755·17-s − 0.374·18-s + 1.07·19-s − 0.353·21-s + 0.558·22-s − 0.892·23-s + 1.41·24-s + 1.31·26-s + 0.857·27-s + 0.565·28-s − 0.544·29-s + 0.179·31-s + 0.678·32-s + 0.371·33-s − 1.25·34-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 \( 1 + 2.35T + 2T^{2} \)
3 \( 1 + 1.91T + 3T^{2} \)
7 \( 1 - 0.845T + 7T^{2} \)
11 \( 1 + 1.11T + 11T^{2} \)
13 \( 1 + 2.84T + 13T^{2} \)
17 \( 1 - 3.11T + 17T^{2} \)
19 \( 1 - 4.69T + 19T^{2} \)
23 \( 1 + 4.28T + 23T^{2} \)
29 \( 1 + 2.93T + 29T^{2} \)
37 \( 1 - 11.4T + 37T^{2} \)
41 \( 1 + 0.658T + 41T^{2} \)
43 \( 1 - 7.69T + 43T^{2} \)
47 \( 1 + 6.10T + 47T^{2} \)
53 \( 1 + 12.5T + 53T^{2} \)
59 \( 1 + 11.2T + 59T^{2} \)
61 \( 1 + 5.35T + 61T^{2} \)
67 \( 1 - 0.847T + 67T^{2} \)
71 \( 1 - 1.92T + 71T^{2} \)
73 \( 1 + 6.95T + 73T^{2} \)
79 \( 1 - 3.73T + 79T^{2} \)
83 \( 1 + 7.38T + 83T^{2} \)
89 \( 1 - 9.22T + 89T^{2} \)
97 \( 1 + 16.9T + 97T^{2} \)
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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

−9.805067325579204869827406187872, −9.313377489576060676750667887890, −7.911960451387427909324761555727, −7.72015318497227999873481185551, −6.52525457489425418142522264060, −5.68607750296658854464745122184, −4.67814359315403346608570533665, −2.80311000091434026030416816829, −1.33954425156375303252036179499, 0, 1.33954425156375303252036179499, 2.80311000091434026030416816829, 4.67814359315403346608570533665, 5.68607750296658854464745122184, 6.52525457489425418142522264060, 7.72015318497227999873481185551, 7.911960451387427909324761555727, 9.313377489576060676750667887890, 9.805067325579204869827406187872

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