Properties

Label 2-1755-1.1-c1-0-15
Degree $2$
Conductor $1755$
Sign $1$
Analytic cond. $14.0137$
Root an. cond. $3.74349$
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  − 1.28·2-s − 0.351·4-s − 5-s + 1.77·7-s + 3.01·8-s + 1.28·10-s + 6.50·11-s − 13-s − 2.28·14-s − 3.17·16-s − 1.38·17-s − 3.06·19-s + 0.351·20-s − 8.34·22-s + 7.40·23-s + 25-s + 1.28·26-s − 0.624·28-s + 5.26·29-s + 2.04·31-s − 1.96·32-s + 1.77·34-s − 1.77·35-s − 5.90·37-s + 3.93·38-s − 3.01·40-s − 2.31·41-s + ⋯
L(s)  = 1  − 0.907·2-s − 0.175·4-s − 0.447·5-s + 0.672·7-s + 1.06·8-s + 0.406·10-s + 1.96·11-s − 0.277·13-s − 0.610·14-s − 0.793·16-s − 0.334·17-s − 0.702·19-s + 0.0785·20-s − 1.77·22-s + 1.54·23-s + 0.200·25-s + 0.251·26-s − 0.118·28-s + 0.977·29-s + 0.367·31-s − 0.347·32-s + 0.304·34-s − 0.300·35-s − 0.970·37-s + 0.637·38-s − 0.477·40-s − 0.361·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1755 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1755 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1755\)    =    \(3^{3} \cdot 5 \cdot 13\)
Sign: $1$
Analytic conductor: \(14.0137\)
Root analytic conductor: \(3.74349\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1755,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.045768578\)
\(L(\frac12)\) \(\approx\) \(1.045768578\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
5 \( 1 + T \)
13 \( 1 + T \)
good2 \( 1 + 1.28T + 2T^{2} \)
7 \( 1 - 1.77T + 7T^{2} \)
11 \( 1 - 6.50T + 11T^{2} \)
17 \( 1 + 1.38T + 17T^{2} \)
19 \( 1 + 3.06T + 19T^{2} \)
23 \( 1 - 7.40T + 23T^{2} \)
29 \( 1 - 5.26T + 29T^{2} \)
31 \( 1 - 2.04T + 31T^{2} \)
37 \( 1 + 5.90T + 37T^{2} \)
41 \( 1 + 2.31T + 41T^{2} \)
43 \( 1 - 4.06T + 43T^{2} \)
47 \( 1 + 7.90T + 47T^{2} \)
53 \( 1 + 0.0333T + 53T^{2} \)
59 \( 1 - 0.913T + 59T^{2} \)
61 \( 1 + 11.6T + 61T^{2} \)
67 \( 1 - 16.1T + 67T^{2} \)
71 \( 1 - 10.7T + 71T^{2} \)
73 \( 1 + 12.4T + 73T^{2} \)
79 \( 1 - 5.36T + 79T^{2} \)
83 \( 1 - 6.17T + 83T^{2} \)
89 \( 1 - 7.13T + 89T^{2} \)
97 \( 1 + 6.39T + 97T^{2} \)
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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

−9.080230463203893293406188458921, −8.687632991902365807648439131105, −7.960847732551982946925438924256, −7.00495001507429844029527532681, −6.46937506957045465945301260839, −4.93793201806239718512513747313, −4.43763241035744691755918730863, −3.44445077262988711213923745244, −1.82555956459565343516581936118, −0.866129235666383133979502649053, 0.866129235666383133979502649053, 1.82555956459565343516581936118, 3.44445077262988711213923745244, 4.43763241035744691755918730863, 4.93793201806239718512513747313, 6.46937506957045465945301260839, 7.00495001507429844029527532681, 7.960847732551982946925438924256, 8.687632991902365807648439131105, 9.080230463203893293406188458921

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