Properties

Label 2-241-1.1-c1-0-3
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.28·2-s − 0.126·3-s − 0.345·4-s + 0.612·5-s + 0.162·6-s + 1.03·7-s + 3.01·8-s − 2.98·9-s − 0.788·10-s + 0.227·11-s + 0.0435·12-s + 3.38·13-s − 1.32·14-s − 0.0773·15-s − 3.18·16-s + 7.12·17-s + 3.83·18-s + 3.40·19-s − 0.211·20-s − 0.130·21-s − 0.293·22-s + 6.91·23-s − 0.380·24-s − 4.62·25-s − 4.34·26-s + 0.755·27-s − 0.356·28-s + ⋯
L(s)  = 1  − 0.909·2-s − 0.0728·3-s − 0.172·4-s + 0.274·5-s + 0.0662·6-s + 0.389·7-s + 1.06·8-s − 0.994·9-s − 0.249·10-s + 0.0687·11-s + 0.0125·12-s + 0.937·13-s − 0.354·14-s − 0.0199·15-s − 0.797·16-s + 1.72·17-s + 0.904·18-s + 0.780·19-s − 0.0473·20-s − 0.0284·21-s − 0.0625·22-s + 1.44·23-s − 0.0777·24-s − 0.924·25-s − 0.852·26-s + 0.145·27-s − 0.0672·28-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: \(0\)
Selberg data: \((2,\ 241,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7698347369\)
\(L(\frac12)\) \(\approx\) \(0.7698347369\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.28T + 2T^{2} \)
3 \( 1 + 0.126T + 3T^{2} \)
5 \( 1 - 0.612T + 5T^{2} \)
7 \( 1 - 1.03T + 7T^{2} \)
11 \( 1 - 0.227T + 11T^{2} \)
13 \( 1 - 3.38T + 13T^{2} \)
17 \( 1 - 7.12T + 17T^{2} \)
19 \( 1 - 3.40T + 19T^{2} \)
23 \( 1 - 6.91T + 23T^{2} \)
29 \( 1 - 0.569T + 29T^{2} \)
31 \( 1 - 4.93T + 31T^{2} \)
37 \( 1 + 5.37T + 37T^{2} \)
41 \( 1 - 10.7T + 41T^{2} \)
43 \( 1 + 0.910T + 43T^{2} \)
47 \( 1 + 8.50T + 47T^{2} \)
53 \( 1 + 7.76T + 53T^{2} \)
59 \( 1 - 11.2T + 59T^{2} \)
61 \( 1 + 3.65T + 61T^{2} \)
67 \( 1 + 12.0T + 67T^{2} \)
71 \( 1 + 9.48T + 71T^{2} \)
73 \( 1 + 7.10T + 73T^{2} \)
79 \( 1 - 0.366T + 79T^{2} \)
83 \( 1 - 17.8T + 83T^{2} \)
89 \( 1 + 7.54T + 89T^{2} \)
97 \( 1 + 7.85T + 97T^{2} \)
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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

−11.83469512932365485711276904286, −11.03092224390572736631815058115, −10.05267092410451431073254473215, −9.180603854846080945343061833136, −8.314512827149983925037619101214, −7.53693360487025368585197654324, −5.98465976718472363053776323791, −4.96834211594354400362897275271, −3.28936954792538587373406697677, −1.22071779473845280345464419402, 1.22071779473845280345464419402, 3.28936954792538587373406697677, 4.96834211594354400362897275271, 5.98465976718472363053776323791, 7.53693360487025368585197654324, 8.314512827149983925037619101214, 9.180603854846080945343061833136, 10.05267092410451431073254473215, 11.03092224390572736631815058115, 11.83469512932365485711276904286

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