Properties

Label 2-775-1.1-c1-0-16
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  − 2.58·2-s − 2.24·3-s + 4.67·4-s + 5.78·6-s + 2.11·7-s − 6.91·8-s + 2.01·9-s − 4.70·11-s − 10.4·12-s + 3.53·13-s − 5.45·14-s + 8.52·16-s − 6.45·17-s − 5.21·18-s + 0.766·19-s − 4.73·21-s + 12.1·22-s + 5.38·23-s + 15.4·24-s − 9.13·26-s + 2.19·27-s + 9.87·28-s + 8.03·29-s − 31-s − 8.18·32-s + 10.5·33-s + 16.6·34-s + ⋯
L(s)  = 1  − 1.82·2-s − 1.29·3-s + 2.33·4-s + 2.36·6-s + 0.798·7-s − 2.44·8-s + 0.672·9-s − 1.41·11-s − 3.02·12-s + 0.980·13-s − 1.45·14-s + 2.13·16-s − 1.56·17-s − 1.22·18-s + 0.175·19-s − 1.03·21-s + 2.59·22-s + 1.12·23-s + 3.16·24-s − 1.79·26-s + 0.422·27-s + 1.86·28-s + 1.49·29-s − 0.179·31-s − 1.44·32-s + 1.83·33-s + 2.86·34-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 \( 1 + 2.58T + 2T^{2} \)
3 \( 1 + 2.24T + 3T^{2} \)
7 \( 1 - 2.11T + 7T^{2} \)
11 \( 1 + 4.70T + 11T^{2} \)
13 \( 1 - 3.53T + 13T^{2} \)
17 \( 1 + 6.45T + 17T^{2} \)
19 \( 1 - 0.766T + 19T^{2} \)
23 \( 1 - 5.38T + 23T^{2} \)
29 \( 1 - 8.03T + 29T^{2} \)
37 \( 1 + 11.5T + 37T^{2} \)
41 \( 1 + 6.47T + 41T^{2} \)
43 \( 1 - 5.80T + 43T^{2} \)
47 \( 1 - 8.68T + 47T^{2} \)
53 \( 1 + 4.05T + 53T^{2} \)
59 \( 1 - 9.36T + 59T^{2} \)
61 \( 1 - 3.40T + 61T^{2} \)
67 \( 1 + 7.82T + 67T^{2} \)
71 \( 1 + 3.15T + 71T^{2} \)
73 \( 1 + 13.4T + 73T^{2} \)
79 \( 1 + 11.6T + 79T^{2} \)
83 \( 1 + 9.79T + 83T^{2} \)
89 \( 1 + 0.211T + 89T^{2} \)
97 \( 1 + 7.13T + 97T^{2} \)
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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

−10.21494755728651771647988526252, −8.707056701313608823166230026647, −8.545540838397914049702609186184, −7.32182144565475562505521391674, −6.67747042635238370976883676253, −5.67651502970286900667213634735, −4.75235670584499975437903386259, −2.68061690539042770811739280582, −1.33052268647320693995357161692, 0, 1.33052268647320693995357161692, 2.68061690539042770811739280582, 4.75235670584499975437903386259, 5.67651502970286900667213634735, 6.67747042635238370976883676253, 7.32182144565475562505521391674, 8.545540838397914049702609186184, 8.707056701313608823166230026647, 10.21494755728651771647988526252

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