Properties

Label 2-775-1.1-c1-0-28
Degree $2$
Conductor $775$
Sign $1$
Analytic cond. $6.18840$
Root an. cond. $2.48765$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s + 3-s + 2·4-s + 2·6-s + 2·7-s − 2·9-s + 2·11-s + 2·12-s + 6·13-s + 4·14-s − 4·16-s + 7·17-s − 4·18-s − 5·19-s + 2·21-s + 4·22-s − 4·23-s + 12·26-s − 5·27-s + 4·28-s + 31-s − 8·32-s + 2·33-s + 14·34-s − 4·36-s + 7·37-s − 10·38-s + ⋯
L(s)  = 1  + 1.41·2-s + 0.577·3-s + 4-s + 0.816·6-s + 0.755·7-s − 2/3·9-s + 0.603·11-s + 0.577·12-s + 1.66·13-s + 1.06·14-s − 16-s + 1.69·17-s − 0.942·18-s − 1.14·19-s + 0.436·21-s + 0.852·22-s − 0.834·23-s + 2.35·26-s − 0.962·27-s + 0.755·28-s + 0.179·31-s − 1.41·32-s + 0.348·33-s + 2.40·34-s − 2/3·36-s + 1.15·37-s − 1.62·38-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 775,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.965015555\)
\(L(\frac12)\) \(\approx\) \(3.965015555\)
\(L(\frac{3}{2})\) 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 \( 1 - p T + p T^{2} \)
3 \( 1 - T + p T^{2} \)
7 \( 1 - 2 T + p T^{2} \)
11 \( 1 - 2 T + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 - 7 T + p T^{2} \)
19 \( 1 + 5 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 + p T^{2} \)
37 \( 1 - 7 T + p T^{2} \)
41 \( 1 + 3 T + p T^{2} \)
43 \( 1 + 9 T + p T^{2} \)
47 \( 1 - 2 T + p T^{2} \)
53 \( 1 + 9 T + p T^{2} \)
59 \( 1 + 5 T + p T^{2} \)
61 \( 1 + 8 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 + 3 T + p T^{2} \)
73 \( 1 - T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 - 11 T + p T^{2} \)
89 \( 1 - 10 T + p T^{2} \)
97 \( 1 + 18 T + p T^{2} \)
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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

−10.58891803325594091684001275753, −9.315274066505842501962031785257, −8.452417840533593522893524117173, −7.85367458537759325623699515981, −6.30103705136471337181267013118, −5.90840703422548522617760576387, −4.76696248597564208150634186192, −3.79079605135641954029881998508, −3.13859783344881644507809684357, −1.71264203003942537105275855921, 1.71264203003942537105275855921, 3.13859783344881644507809684357, 3.79079605135641954029881998508, 4.76696248597564208150634186192, 5.90840703422548522617760576387, 6.30103705136471337181267013118, 7.85367458537759325623699515981, 8.452417840533593522893524117173, 9.315274066505842501962031785257, 10.58891803325594091684001275753

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