Properties

Label 2-731-1.1-c1-0-1
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  − 1.32·2-s − 1.38·3-s − 0.232·4-s − 0.595·5-s + 1.83·6-s − 3.72·7-s + 2.96·8-s − 1.09·9-s + 0.791·10-s − 4.08·11-s + 0.320·12-s − 0.436·13-s + 4.95·14-s + 0.822·15-s − 3.48·16-s + 17-s + 1.45·18-s − 4.36·19-s + 0.138·20-s + 5.14·21-s + 5.42·22-s − 3.77·23-s − 4.09·24-s − 4.64·25-s + 0.579·26-s + 5.65·27-s + 0.864·28-s + ⋯
L(s)  = 1  − 0.940·2-s − 0.797·3-s − 0.116·4-s − 0.266·5-s + 0.749·6-s − 1.40·7-s + 1.04·8-s − 0.364·9-s + 0.250·10-s − 1.23·11-s + 0.0925·12-s − 0.120·13-s + 1.32·14-s + 0.212·15-s − 0.870·16-s + 0.242·17-s + 0.342·18-s − 1.00·19-s + 0.0309·20-s + 1.12·21-s + 1.15·22-s − 0.787·23-s − 0.836·24-s − 0.929·25-s + 0.113·26-s + 1.08·27-s + 0.163·28-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

\(L(1)\) \(\approx\) \(0.1809271170\)
\(L(\frac12)\) \(\approx\) \(0.1809271170\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.32T + 2T^{2} \)
3 \( 1 + 1.38T + 3T^{2} \)
5 \( 1 + 0.595T + 5T^{2} \)
7 \( 1 + 3.72T + 7T^{2} \)
11 \( 1 + 4.08T + 11T^{2} \)
13 \( 1 + 0.436T + 13T^{2} \)
19 \( 1 + 4.36T + 19T^{2} \)
23 \( 1 + 3.77T + 23T^{2} \)
29 \( 1 - 0.0165T + 29T^{2} \)
31 \( 1 - 8.31T + 31T^{2} \)
37 \( 1 + 3.71T + 37T^{2} \)
41 \( 1 - 3.97T + 41T^{2} \)
47 \( 1 + 6.88T + 47T^{2} \)
53 \( 1 - 6.96T + 53T^{2} \)
59 \( 1 - 7.32T + 59T^{2} \)
61 \( 1 - 11.7T + 61T^{2} \)
67 \( 1 - 0.915T + 67T^{2} \)
71 \( 1 - 0.304T + 71T^{2} \)
73 \( 1 - 15.7T + 73T^{2} \)
79 \( 1 + 5.42T + 79T^{2} \)
83 \( 1 + 13.1T + 83T^{2} \)
89 \( 1 + 12.0T + 89T^{2} \)
97 \( 1 - 18.6T + 97T^{2} \)
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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

−10.09128824240246719516834770150, −9.874562014959677948642255124506, −8.595334222876303671895168084776, −8.035898704171562161379703589650, −6.92547265335538385833499654262, −6.05660980678262374861144951223, −5.11807697596727217388274548548, −3.91734883433976788346825329878, −2.52527188415534827572984840577, −0.39902228955380175252813270664, 0.39902228955380175252813270664, 2.52527188415534827572984840577, 3.91734883433976788346825329878, 5.11807697596727217388274548548, 6.05660980678262374861144951223, 6.92547265335538385833499654262, 8.035898704171562161379703589650, 8.595334222876303671895168084776, 9.874562014959677948642255124506, 10.09128824240246719516834770150

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