Properties

Label 2-731-1.1-c1-0-33
Degree $2$
Conductor $731$
Sign $1$
Analytic cond. $5.83706$
Root an. cond. $2.41600$
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  + 2.66·2-s − 1.22·3-s + 5.11·4-s − 1.15·5-s − 3.25·6-s + 2.36·7-s + 8.30·8-s − 1.50·9-s − 3.08·10-s + 6.51·11-s − 6.24·12-s − 3.92·13-s + 6.32·14-s + 1.41·15-s + 11.9·16-s + 17-s − 4.02·18-s + 0.308·19-s − 5.92·20-s − 2.89·21-s + 17.3·22-s + 1.28·23-s − 10.1·24-s − 3.65·25-s − 10.4·26-s + 5.50·27-s + 12.1·28-s + ⋯
L(s)  = 1  + 1.88·2-s − 0.705·3-s + 2.55·4-s − 0.517·5-s − 1.32·6-s + 0.895·7-s + 2.93·8-s − 0.502·9-s − 0.976·10-s + 1.96·11-s − 1.80·12-s − 1.08·13-s + 1.68·14-s + 0.365·15-s + 2.98·16-s + 0.242·17-s − 0.948·18-s + 0.0706·19-s − 1.32·20-s − 0.631·21-s + 3.70·22-s + 0.268·23-s − 2.07·24-s − 0.731·25-s − 2.05·26-s + 1.05·27-s + 2.29·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(731\)    =    \(17 \cdot 43\)
Sign: $1$
Analytic conductor: \(5.83706\)
Root analytic conductor: \(2.41600\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 731,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.875936782\)
\(L(\frac12)\) \(\approx\) \(3.875936782\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad17 \( 1 - T \)
43 \( 1 + T \)
good2 \( 1 - 2.66T + 2T^{2} \)
3 \( 1 + 1.22T + 3T^{2} \)
5 \( 1 + 1.15T + 5T^{2} \)
7 \( 1 - 2.36T + 7T^{2} \)
11 \( 1 - 6.51T + 11T^{2} \)
13 \( 1 + 3.92T + 13T^{2} \)
19 \( 1 - 0.308T + 19T^{2} \)
23 \( 1 - 1.28T + 23T^{2} \)
29 \( 1 + 2.29T + 29T^{2} \)
31 \( 1 - 5.07T + 31T^{2} \)
37 \( 1 + 5.52T + 37T^{2} \)
41 \( 1 + 0.358T + 41T^{2} \)
47 \( 1 + 7.52T + 47T^{2} \)
53 \( 1 + 0.0422T + 53T^{2} \)
59 \( 1 + 5.52T + 59T^{2} \)
61 \( 1 + 4.20T + 61T^{2} \)
67 \( 1 - 7.62T + 67T^{2} \)
71 \( 1 - 6.07T + 71T^{2} \)
73 \( 1 + 7.32T + 73T^{2} \)
79 \( 1 + 11.0T + 79T^{2} \)
83 \( 1 + 7.59T + 83T^{2} \)
89 \( 1 + 12.4T + 89T^{2} \)
97 \( 1 + 17.8T + 97T^{2} \)
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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

−11.14423750927714447890649077535, −9.838367498521508765145834279614, −8.405027173879089943826659701591, −7.29842951581079891265907489716, −6.57301051678800467669373893147, −5.71374013423581771093794939434, −4.85010858350859939805606671040, −4.19337375422655648897726780367, −3.14107822008402503345805727401, −1.66201749664512394124435008946, 1.66201749664512394124435008946, 3.14107822008402503345805727401, 4.19337375422655648897726780367, 4.85010858350859939805606671040, 5.71374013423581771093794939434, 6.57301051678800467669373893147, 7.29842951581079891265907489716, 8.405027173879089943826659701591, 9.838367498521508765145834279614, 11.14423750927714447890649077535

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