Properties

Label 2-731-1.1-c1-0-54
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  + 1.26·2-s + 1.44·3-s − 0.390·4-s − 3.92·5-s + 1.83·6-s + 0.416·7-s − 3.03·8-s − 0.900·9-s − 4.98·10-s + 2.26·11-s − 0.565·12-s − 5.30·13-s + 0.527·14-s − 5.69·15-s − 3.06·16-s + 17-s − 1.14·18-s − 5.97·19-s + 1.53·20-s + 0.602·21-s + 2.87·22-s + 0.261·23-s − 4.39·24-s + 10.4·25-s − 6.72·26-s − 5.65·27-s − 0.162·28-s + ⋯
L(s)  = 1  + 0.897·2-s + 0.836·3-s − 0.195·4-s − 1.75·5-s + 0.750·6-s + 0.157·7-s − 1.07·8-s − 0.300·9-s − 1.57·10-s + 0.682·11-s − 0.163·12-s − 1.47·13-s + 0.141·14-s − 1.47·15-s − 0.766·16-s + 0.242·17-s − 0.269·18-s − 1.37·19-s + 0.342·20-s + 0.131·21-s + 0.612·22-s + 0.0545·23-s − 0.896·24-s + 2.08·25-s − 1.31·26-s − 1.08·27-s − 0.0306·28-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 \( 1 - 1.26T + 2T^{2} \)
3 \( 1 - 1.44T + 3T^{2} \)
5 \( 1 + 3.92T + 5T^{2} \)
7 \( 1 - 0.416T + 7T^{2} \)
11 \( 1 - 2.26T + 11T^{2} \)
13 \( 1 + 5.30T + 13T^{2} \)
19 \( 1 + 5.97T + 19T^{2} \)
23 \( 1 - 0.261T + 23T^{2} \)
29 \( 1 + 3.35T + 29T^{2} \)
31 \( 1 - 9.10T + 31T^{2} \)
37 \( 1 + 5.44T + 37T^{2} \)
41 \( 1 - 0.154T + 41T^{2} \)
47 \( 1 - 1.82T + 47T^{2} \)
53 \( 1 + 4.98T + 53T^{2} \)
59 \( 1 - 1.25T + 59T^{2} \)
61 \( 1 - 7.29T + 61T^{2} \)
67 \( 1 + 1.33T + 67T^{2} \)
71 \( 1 + 12.2T + 71T^{2} \)
73 \( 1 - 15.6T + 73T^{2} \)
79 \( 1 + 10.6T + 79T^{2} \)
83 \( 1 + 3.16T + 83T^{2} \)
89 \( 1 - 14.6T + 89T^{2} \)
97 \( 1 + 10.7T + 97T^{2} \)
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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

−9.826988664607759185826003017771, −8.825788711114807019967575308260, −8.291416258369184164754109138405, −7.47750776604996677130551725674, −6.44485805639373041636308538271, −5.01616787705797303775654692140, −4.26616865473759799590223774586, −3.55288220085207534472999399257, −2.61329461351816345442309042313, 0, 2.61329461351816345442309042313, 3.55288220085207534472999399257, 4.26616865473759799590223774586, 5.01616787705797303775654692140, 6.44485805639373041636308538271, 7.47750776604996677130551725674, 8.291416258369184164754109138405, 8.825788711114807019967575308260, 9.826988664607759185826003017771

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