Properties

Label 2-731-1.1-c3-0-88
Degree $2$
Conductor $731$
Sign $1$
Analytic cond. $43.1303$
Root an. cond. $6.56737$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3.14·2-s − 2.81·3-s + 1.89·4-s + 19.3·5-s − 8.86·6-s + 15.5·7-s − 19.1·8-s − 19.0·9-s + 61.0·10-s + 65.6·11-s − 5.35·12-s − 6.62·13-s + 48.8·14-s − 54.6·15-s − 75.5·16-s + 17·17-s − 59.9·18-s + 46.1·19-s + 36.8·20-s − 43.7·21-s + 206.·22-s + 13.0·23-s + 54.0·24-s + 251.·25-s − 20.8·26-s + 129.·27-s + 29.4·28-s + ⋯
L(s)  = 1  + 1.11·2-s − 0.542·3-s + 0.237·4-s + 1.73·5-s − 0.603·6-s + 0.837·7-s − 0.848·8-s − 0.705·9-s + 1.92·10-s + 1.79·11-s − 0.128·12-s − 0.141·13-s + 0.932·14-s − 0.940·15-s − 1.18·16-s + 0.242·17-s − 0.785·18-s + 0.557·19-s + 0.411·20-s − 0.454·21-s + 2.00·22-s + 0.118·23-s + 0.459·24-s + 2.00·25-s − 0.157·26-s + 0.925·27-s + 0.198·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(731\)    =    \(17 \cdot 43\)
Sign: $1$
Analytic conductor: \(43.1303\)
Root analytic conductor: \(6.56737\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 731,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(4.354216949\)
\(L(\frac12)\) \(\approx\) \(4.354216949\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad17 \( 1 - 17T \)
43 \( 1 - 43T \)
good2 \( 1 - 3.14T + 8T^{2} \)
3 \( 1 + 2.81T + 27T^{2} \)
5 \( 1 - 19.3T + 125T^{2} \)
7 \( 1 - 15.5T + 343T^{2} \)
11 \( 1 - 65.6T + 1.33e3T^{2} \)
13 \( 1 + 6.62T + 2.19e3T^{2} \)
19 \( 1 - 46.1T + 6.85e3T^{2} \)
23 \( 1 - 13.0T + 1.21e4T^{2} \)
29 \( 1 + 203.T + 2.43e4T^{2} \)
31 \( 1 - 175.T + 2.97e4T^{2} \)
37 \( 1 - 46.7T + 5.06e4T^{2} \)
41 \( 1 + 134.T + 6.89e4T^{2} \)
47 \( 1 + 43.9T + 1.03e5T^{2} \)
53 \( 1 + 224.T + 1.48e5T^{2} \)
59 \( 1 - 877.T + 2.05e5T^{2} \)
61 \( 1 - 250.T + 2.26e5T^{2} \)
67 \( 1 - 811.T + 3.00e5T^{2} \)
71 \( 1 + 274.T + 3.57e5T^{2} \)
73 \( 1 - 458.T + 3.89e5T^{2} \)
79 \( 1 + 233.T + 4.93e5T^{2} \)
83 \( 1 - 471.T + 5.71e5T^{2} \)
89 \( 1 - 71.0T + 7.04e5T^{2} \)
97 \( 1 - 171.T + 9.12e5T^{2} \)
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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

−9.898087910325711235722209065137, −9.277030365900313292270643224598, −8.485342147893298611125900155824, −6.78905132651481947249414610901, −6.13702649825589599725601001611, −5.45478912505118174812951785340, −4.83429975045762405832742927790, −3.60268887583264220525984907130, −2.31275705803384043377480235743, −1.13872844602964034393808862569, 1.13872844602964034393808862569, 2.31275705803384043377480235743, 3.60268887583264220525984907130, 4.83429975045762405832742927790, 5.45478912505118174812951785340, 6.13702649825589599725601001611, 6.78905132651481947249414610901, 8.485342147893298611125900155824, 9.277030365900313292270643224598, 9.898087910325711235722209065137

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