Properties

Label 2-731-1.1-c1-0-14
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  − 2.21·2-s − 2.91·3-s + 2.90·4-s − 0.513·5-s + 6.46·6-s + 5.13·7-s − 2.01·8-s + 5.51·9-s + 1.13·10-s + 1.76·11-s − 8.48·12-s + 2.99·13-s − 11.3·14-s + 1.49·15-s − 1.35·16-s + 17-s − 12.2·18-s + 4.90·19-s − 1.49·20-s − 14.9·21-s − 3.91·22-s − 5.53·23-s + 5.88·24-s − 4.73·25-s − 6.64·26-s − 7.32·27-s + 14.9·28-s + ⋯
L(s)  = 1  − 1.56·2-s − 1.68·3-s + 1.45·4-s − 0.229·5-s + 2.63·6-s + 1.94·7-s − 0.712·8-s + 1.83·9-s + 0.360·10-s + 0.532·11-s − 2.45·12-s + 0.831·13-s − 3.04·14-s + 0.387·15-s − 0.338·16-s + 0.242·17-s − 2.87·18-s + 1.12·19-s − 0.334·20-s − 3.26·21-s − 0.834·22-s − 1.15·23-s + 1.20·24-s − 0.947·25-s − 1.30·26-s − 1.41·27-s + 2.82·28-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

\(L(1)\) \(\approx\) \(0.5237628702\)
\(L(\frac12)\) \(\approx\) \(0.5237628702\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.21T + 2T^{2} \)
3 \( 1 + 2.91T + 3T^{2} \)
5 \( 1 + 0.513T + 5T^{2} \)
7 \( 1 - 5.13T + 7T^{2} \)
11 \( 1 - 1.76T + 11T^{2} \)
13 \( 1 - 2.99T + 13T^{2} \)
19 \( 1 - 4.90T + 19T^{2} \)
23 \( 1 + 5.53T + 23T^{2} \)
29 \( 1 - 6.42T + 29T^{2} \)
31 \( 1 - 3.54T + 31T^{2} \)
37 \( 1 - 0.605T + 37T^{2} \)
41 \( 1 + 1.31T + 41T^{2} \)
47 \( 1 + 12.6T + 47T^{2} \)
53 \( 1 - 2.69T + 53T^{2} \)
59 \( 1 - 3.77T + 59T^{2} \)
61 \( 1 - 8.99T + 61T^{2} \)
67 \( 1 - 6.16T + 67T^{2} \)
71 \( 1 - 4.75T + 71T^{2} \)
73 \( 1 + 16.0T + 73T^{2} \)
79 \( 1 + 1.73T + 79T^{2} \)
83 \( 1 + 0.413T + 83T^{2} \)
89 \( 1 + 0.308T + 89T^{2} \)
97 \( 1 - 3.57T + 97T^{2} \)
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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

−10.38593550495623247667989186640, −9.804628084876668638256397012117, −8.467555565566726542230976693763, −7.985921640653762320815546695169, −7.07565201950153667046487739823, −6.11128397471583054553714157034, −5.13870042214594515691286862194, −4.22325015399219898839391886181, −1.70141211825815803925597649775, −0.919983366968794242497869123708, 0.919983366968794242497869123708, 1.70141211825815803925597649775, 4.22325015399219898839391886181, 5.13870042214594515691286862194, 6.11128397471583054553714157034, 7.07565201950153667046487739823, 7.985921640653762320815546695169, 8.467555565566726542230976693763, 9.804628084876668638256397012117, 10.38593550495623247667989186640

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