Properties

Label 2-241-1.1-c1-0-5
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  − 2.02·2-s + 2.93·3-s + 2.09·4-s + 1.44·5-s − 5.94·6-s + 0.381·7-s − 0.196·8-s + 5.61·9-s − 2.91·10-s + 0.280·11-s + 6.15·12-s − 4.00·13-s − 0.771·14-s + 4.22·15-s − 3.79·16-s + 2.60·17-s − 11.3·18-s − 3.86·19-s + 3.02·20-s + 1.11·21-s − 0.568·22-s + 0.698·23-s − 0.578·24-s − 2.92·25-s + 8.10·26-s + 7.67·27-s + 0.799·28-s + ⋯
L(s)  = 1  − 1.43·2-s + 1.69·3-s + 1.04·4-s + 0.644·5-s − 2.42·6-s + 0.144·7-s − 0.0696·8-s + 1.87·9-s − 0.922·10-s + 0.0846·11-s + 1.77·12-s − 1.11·13-s − 0.206·14-s + 1.09·15-s − 0.948·16-s + 0.631·17-s − 2.67·18-s − 0.887·19-s + 0.675·20-s + 0.244·21-s − 0.121·22-s + 0.145·23-s − 0.117·24-s − 0.584·25-s + 1.58·26-s + 1.47·27-s + 0.151·28-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

\(L(1)\) \(\approx\) \(1.155592505\)
\(L(\frac12)\) \(\approx\) \(1.155592505\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.02T + 2T^{2} \)
3 \( 1 - 2.93T + 3T^{2} \)
5 \( 1 - 1.44T + 5T^{2} \)
7 \( 1 - 0.381T + 7T^{2} \)
11 \( 1 - 0.280T + 11T^{2} \)
13 \( 1 + 4.00T + 13T^{2} \)
17 \( 1 - 2.60T + 17T^{2} \)
19 \( 1 + 3.86T + 19T^{2} \)
23 \( 1 - 0.698T + 23T^{2} \)
29 \( 1 - 1.62T + 29T^{2} \)
31 \( 1 - 9.73T + 31T^{2} \)
37 \( 1 - 4.41T + 37T^{2} \)
41 \( 1 + 0.0157T + 41T^{2} \)
43 \( 1 + 12.2T + 43T^{2} \)
47 \( 1 - 7.71T + 47T^{2} \)
53 \( 1 + 4.91T + 53T^{2} \)
59 \( 1 + 14.1T + 59T^{2} \)
61 \( 1 + 6.97T + 61T^{2} \)
67 \( 1 + 2.97T + 67T^{2} \)
71 \( 1 - 7.28T + 71T^{2} \)
73 \( 1 + 0.165T + 73T^{2} \)
79 \( 1 - 11.1T + 79T^{2} \)
83 \( 1 + 14.6T + 83T^{2} \)
89 \( 1 - 14.3T + 89T^{2} \)
97 \( 1 - 8.75T + 97T^{2} \)
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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

−12.07314744996576512633338963097, −10.52939782220750996769499992748, −9.761380890910711159244368342674, −9.307561903537182153118961260254, −8.239336566618272416691063438450, −7.77864465599362778661657244412, −6.60035721381005753073728722297, −4.56074742218568162567085641703, −2.80546020483228339035335870071, −1.74585445517908241423744723718, 1.74585445517908241423744723718, 2.80546020483228339035335870071, 4.56074742218568162567085641703, 6.60035721381005753073728722297, 7.77864465599362778661657244412, 8.239336566618272416691063438450, 9.307561903537182153118961260254, 9.761380890910711159244368342674, 10.52939782220750996769499992748, 12.07314744996576512633338963097

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