Properties

Label 2-241-1.1-c1-0-18
Degree $2$
Conductor $241$
Sign $-1$
Analytic cond. $1.92439$
Root an. cond. $1.38722$
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  + 1.73·2-s − 2.37·3-s + 1.01·4-s − 2.63·5-s − 4.11·6-s − 2.01·7-s − 1.70·8-s + 2.62·9-s − 4.57·10-s − 3.39·11-s − 2.41·12-s + 5.63·13-s − 3.49·14-s + 6.24·15-s − 4.99·16-s + 0.866·17-s + 4.55·18-s + 2.46·19-s − 2.67·20-s + 4.76·21-s − 5.89·22-s − 6.37·23-s + 4.05·24-s + 1.92·25-s + 9.79·26-s + 0.892·27-s − 2.04·28-s + ⋯
L(s)  = 1  + 1.22·2-s − 1.36·3-s + 0.508·4-s − 1.17·5-s − 1.68·6-s − 0.759·7-s − 0.603·8-s + 0.874·9-s − 1.44·10-s − 1.02·11-s − 0.695·12-s + 1.56·13-s − 0.933·14-s + 1.61·15-s − 1.24·16-s + 0.210·17-s + 1.07·18-s + 0.565·19-s − 0.598·20-s + 1.04·21-s − 1.25·22-s − 1.33·23-s + 0.826·24-s + 0.385·25-s + 1.91·26-s + 0.171·27-s − 0.386·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 241 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 241 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(241\)
Sign: $-1$
Analytic conductor: \(1.92439\)
Root analytic conductor: \(1.38722\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 241,\ (\ :1/2),\ -1)\)

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)$
bad241 \( 1 + T \)
good2 \( 1 - 1.73T + 2T^{2} \)
3 \( 1 + 2.37T + 3T^{2} \)
5 \( 1 + 2.63T + 5T^{2} \)
7 \( 1 + 2.01T + 7T^{2} \)
11 \( 1 + 3.39T + 11T^{2} \)
13 \( 1 - 5.63T + 13T^{2} \)
17 \( 1 - 0.866T + 17T^{2} \)
19 \( 1 - 2.46T + 19T^{2} \)
23 \( 1 + 6.37T + 23T^{2} \)
29 \( 1 + 4.52T + 29T^{2} \)
31 \( 1 + 3.51T + 31T^{2} \)
37 \( 1 + 5.19T + 37T^{2} \)
41 \( 1 - 1.35T + 41T^{2} \)
43 \( 1 - 8.49T + 43T^{2} \)
47 \( 1 + 9.44T + 47T^{2} \)
53 \( 1 - 9.71T + 53T^{2} \)
59 \( 1 - 6.03T + 59T^{2} \)
61 \( 1 - 4.45T + 61T^{2} \)
67 \( 1 + 10.9T + 67T^{2} \)
71 \( 1 + 3.01T + 71T^{2} \)
73 \( 1 + 0.255T + 73T^{2} \)
79 \( 1 + 10.3T + 79T^{2} \)
83 \( 1 + 16.8T + 83T^{2} \)
89 \( 1 + 17.4T + 89T^{2} \)
97 \( 1 - 0.273T + 97T^{2} \)
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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

−11.68333929274102281886009065615, −11.24218908093756276081475172833, −10.13395786750348612302444683068, −8.569607541867734047161661583880, −7.26592642370704417203859589930, −6.04538947049761488988295190963, −5.51461354208593135315591798741, −4.21671258110227393819275669874, −3.35815133163609533258214494515, 0, 3.35815133163609533258214494515, 4.21671258110227393819275669874, 5.51461354208593135315591798741, 6.04538947049761488988295190963, 7.26592642370704417203859589930, 8.569607541867734047161661583880, 10.13395786750348612302444683068, 11.24218908093756276081475172833, 11.68333929274102281886009065615

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