Properties

Label 2-731-1.1-c1-0-43
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.66·2-s − 3.15·3-s + 0.760·4-s + 0.0956·5-s − 5.24·6-s + 3.17·7-s − 2.05·8-s + 6.95·9-s + 0.158·10-s − 3.11·11-s − 2.40·12-s − 4.72·13-s + 5.27·14-s − 0.301·15-s − 4.94·16-s + 17-s + 11.5·18-s + 2.56·19-s + 0.0727·20-s − 10.0·21-s − 5.18·22-s − 1.94·23-s + 6.49·24-s − 4.99·25-s − 7.84·26-s − 12.4·27-s + 2.41·28-s + ⋯
L(s)  = 1  + 1.17·2-s − 1.82·3-s + 0.380·4-s + 0.0427·5-s − 2.14·6-s + 1.20·7-s − 0.727·8-s + 2.31·9-s + 0.0502·10-s − 0.940·11-s − 0.693·12-s − 1.30·13-s + 1.41·14-s − 0.0779·15-s − 1.23·16-s + 0.242·17-s + 2.72·18-s + 0.587·19-s + 0.0162·20-s − 2.18·21-s − 1.10·22-s − 0.405·23-s + 1.32·24-s − 0.998·25-s − 1.53·26-s − 2.40·27-s + 0.456·28-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: \(1\)
Selberg data: \((2,\ 731,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.66T + 2T^{2} \)
3 \( 1 + 3.15T + 3T^{2} \)
5 \( 1 - 0.0956T + 5T^{2} \)
7 \( 1 - 3.17T + 7T^{2} \)
11 \( 1 + 3.11T + 11T^{2} \)
13 \( 1 + 4.72T + 13T^{2} \)
19 \( 1 - 2.56T + 19T^{2} \)
23 \( 1 + 1.94T + 23T^{2} \)
29 \( 1 + 9.57T + 29T^{2} \)
31 \( 1 + 2.28T + 31T^{2} \)
37 \( 1 + 10.5T + 37T^{2} \)
41 \( 1 + 0.0367T + 41T^{2} \)
47 \( 1 - 1.75T + 47T^{2} \)
53 \( 1 - 9.01T + 53T^{2} \)
59 \( 1 + 0.151T + 59T^{2} \)
61 \( 1 + 13.5T + 61T^{2} \)
67 \( 1 - 8.28T + 67T^{2} \)
71 \( 1 - 9.37T + 71T^{2} \)
73 \( 1 - 0.228T + 73T^{2} \)
79 \( 1 + 11.5T + 79T^{2} \)
83 \( 1 - 11.4T + 83T^{2} \)
89 \( 1 - 11.6T + 89T^{2} \)
97 \( 1 - 14.2T + 97T^{2} \)
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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

−10.34198751100860353387238972261, −9.395878116986276924169461732426, −7.79510324028773549840047029415, −7.11669973664803332310045326623, −5.85552069170952997473946586634, −5.25755184216807165941788283279, −4.92039393044154557176514529075, −3.85261992760751637288496706523, −2.01647907485953133685511696937, 0, 2.01647907485953133685511696937, 3.85261992760751637288496706523, 4.92039393044154557176514529075, 5.25755184216807165941788283279, 5.85552069170952997473946586634, 7.11669973664803332310045326623, 7.79510324028773549840047029415, 9.395878116986276924169461732426, 10.34198751100860353387238972261

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