Properties

Label 2-731-1.1-c1-0-42
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  + 2.40·2-s + 2.16·3-s + 3.76·4-s − 1.65·5-s + 5.19·6-s − 1.91·7-s + 4.24·8-s + 1.67·9-s − 3.96·10-s + 4.97·11-s + 8.14·12-s + 3.82·13-s − 4.58·14-s − 3.57·15-s + 2.66·16-s + 17-s + 4.02·18-s − 7.52·19-s − 6.22·20-s − 4.13·21-s + 11.9·22-s − 2.57·23-s + 9.18·24-s − 2.27·25-s + 9.18·26-s − 2.86·27-s − 7.20·28-s + ⋯
L(s)  = 1  + 1.69·2-s + 1.24·3-s + 1.88·4-s − 0.738·5-s + 2.12·6-s − 0.722·7-s + 1.50·8-s + 0.558·9-s − 1.25·10-s + 1.50·11-s + 2.35·12-s + 1.06·13-s − 1.22·14-s − 0.922·15-s + 0.666·16-s + 0.242·17-s + 0.948·18-s − 1.72·19-s − 1.39·20-s − 0.901·21-s + 2.54·22-s − 0.536·23-s + 1.87·24-s − 0.454·25-s + 1.80·26-s − 0.551·27-s − 1.36·28-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

\(L(1)\) \(\approx\) \(4.954457480\)
\(L(\frac12)\) \(\approx\) \(4.954457480\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.40T + 2T^{2} \)
3 \( 1 - 2.16T + 3T^{2} \)
5 \( 1 + 1.65T + 5T^{2} \)
7 \( 1 + 1.91T + 7T^{2} \)
11 \( 1 - 4.97T + 11T^{2} \)
13 \( 1 - 3.82T + 13T^{2} \)
19 \( 1 + 7.52T + 19T^{2} \)
23 \( 1 + 2.57T + 23T^{2} \)
29 \( 1 - 7.97T + 29T^{2} \)
31 \( 1 + 8.80T + 31T^{2} \)
37 \( 1 - 10.5T + 37T^{2} \)
41 \( 1 + 7.93T + 41T^{2} \)
47 \( 1 - 5.62T + 47T^{2} \)
53 \( 1 - 1.34T + 53T^{2} \)
59 \( 1 + 5.27T + 59T^{2} \)
61 \( 1 + 8.29T + 61T^{2} \)
67 \( 1 + 11.8T + 67T^{2} \)
71 \( 1 - 0.823T + 71T^{2} \)
73 \( 1 - 14.1T + 73T^{2} \)
79 \( 1 - 12.6T + 79T^{2} \)
83 \( 1 - 6.75T + 83T^{2} \)
89 \( 1 - 7.41T + 89T^{2} \)
97 \( 1 - 12.4T + 97T^{2} \)
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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

−10.66969216409541481269557802740, −9.336832543188757645128893064685, −8.627414394655430769344922382990, −7.68616947332110366131066221103, −6.49384001782563197232205238910, −6.12145312539368129493354312841, −4.42248973985780014998811531016, −3.77794214226546053480087449334, −3.29097377191861533397498412395, −2.01210037766059153726528861229, 2.01210037766059153726528861229, 3.29097377191861533397498412395, 3.77794214226546053480087449334, 4.42248973985780014998811531016, 6.12145312539368129493354312841, 6.49384001782563197232205238910, 7.68616947332110366131066221103, 8.627414394655430769344922382990, 9.336832543188757645128893064685, 10.66969216409541481269557802740

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