Properties

Label 2-775-1.1-c1-0-1
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.15·2-s − 3.02·3-s − 0.660·4-s + 3.50·6-s + 1.50·7-s + 3.07·8-s + 6.16·9-s − 5.81·11-s + 2.00·12-s − 5.50·13-s − 1.73·14-s − 2.24·16-s + 0.790·17-s − 7.13·18-s − 3.89·19-s − 4.55·21-s + 6.73·22-s − 5.24·23-s − 9.32·24-s + 6.36·26-s − 9.57·27-s − 0.993·28-s + 6.55·29-s + 31-s − 3.56·32-s + 17.6·33-s − 0.915·34-s + ⋯
L(s)  = 1  − 0.818·2-s − 1.74·3-s − 0.330·4-s + 1.43·6-s + 0.568·7-s + 1.08·8-s + 2.05·9-s − 1.75·11-s + 0.577·12-s − 1.52·13-s − 0.464·14-s − 0.560·16-s + 0.191·17-s − 1.68·18-s − 0.894·19-s − 0.993·21-s + 1.43·22-s − 1.09·23-s − 1.90·24-s + 1.24·26-s − 1.84·27-s − 0.187·28-s + 1.21·29-s + 0.179·31-s − 0.629·32-s + 3.06·33-s − 0.156·34-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: \(0\)
Selberg data: \((2,\ 775,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.2447406997\)
\(L(\frac12)\) \(\approx\) \(0.2447406997\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.15T + 2T^{2} \)
3 \( 1 + 3.02T + 3T^{2} \)
7 \( 1 - 1.50T + 7T^{2} \)
11 \( 1 + 5.81T + 11T^{2} \)
13 \( 1 + 5.50T + 13T^{2} \)
17 \( 1 - 0.790T + 17T^{2} \)
19 \( 1 + 3.89T + 19T^{2} \)
23 \( 1 + 5.24T + 23T^{2} \)
29 \( 1 - 6.55T + 29T^{2} \)
37 \( 1 + 0.476T + 37T^{2} \)
41 \( 1 + 3.40T + 41T^{2} \)
43 \( 1 + 2.79T + 43T^{2} \)
47 \( 1 - 10.0T + 47T^{2} \)
53 \( 1 - 10.0T + 53T^{2} \)
59 \( 1 + 4.13T + 59T^{2} \)
61 \( 1 - 12.0T + 61T^{2} \)
67 \( 1 + 1.81T + 67T^{2} \)
71 \( 1 - 5.16T + 71T^{2} \)
73 \( 1 + 6.45T + 73T^{2} \)
79 \( 1 - 0.510T + 79T^{2} \)
83 \( 1 + 3.53T + 83T^{2} \)
89 \( 1 - 1.12T + 89T^{2} \)
97 \( 1 + 0.260T + 97T^{2} \)
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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

−10.16509212952995457649157591354, −10.02602772855090869978158299928, −8.491590734748154854810840081260, −7.72767551908656476348830286801, −6.98611549645941963030043093703, −5.71461897221504461218317548952, −4.97545433602802358636349929294, −4.44835940749758252217913500955, −2.16573780775582346285068568045, −0.48639576675174269073375387096, 0.48639576675174269073375387096, 2.16573780775582346285068568045, 4.44835940749758252217913500955, 4.97545433602802358636349929294, 5.71461897221504461218317548952, 6.98611549645941963030043093703, 7.72767551908656476348830286801, 8.491590734748154854810840081260, 10.02602772855090869978158299928, 10.16509212952995457649157591354

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