Properties

Label 2-242-1.1-c1-0-7
Degree $2$
Conductor $242$
Sign $1$
Analytic cond. $1.93237$
Root an. cond. $1.39010$
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-s + 2.61·3-s + 4-s − 1.23·5-s + 2.61·6-s − 2·7-s + 8-s + 3.85·9-s − 1.23·10-s + 2.61·12-s − 3.23·13-s − 2·14-s − 3.23·15-s + 16-s + 1.61·17-s + 3.85·18-s + 0.854·19-s − 1.23·20-s − 5.23·21-s − 3.23·23-s + 2.61·24-s − 3.47·25-s − 3.23·26-s + 2.23·27-s − 2·28-s − 4.47·29-s − 3.23·30-s + ⋯
L(s)  = 1  + 0.707·2-s + 1.51·3-s + 0.5·4-s − 0.552·5-s + 1.06·6-s − 0.755·7-s + 0.353·8-s + 1.28·9-s − 0.390·10-s + 0.755·12-s − 0.897·13-s − 0.534·14-s − 0.835·15-s + 0.250·16-s + 0.392·17-s + 0.908·18-s + 0.195·19-s − 0.276·20-s − 1.14·21-s − 0.674·23-s + 0.534·24-s − 0.694·25-s − 0.634·26-s + 0.430·27-s − 0.377·28-s − 0.830·29-s − 0.590·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 242 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 242 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(242\)    =    \(2 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(1.93237\)
Root analytic conductor: \(1.39010\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 242,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.405614830\)
\(L(\frac12)\) \(\approx\) \(2.405614830\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
11 \( 1 \)
good3 \( 1 - 2.61T + 3T^{2} \)
5 \( 1 + 1.23T + 5T^{2} \)
7 \( 1 + 2T + 7T^{2} \)
13 \( 1 + 3.23T + 13T^{2} \)
17 \( 1 - 1.61T + 17T^{2} \)
19 \( 1 - 0.854T + 19T^{2} \)
23 \( 1 + 3.23T + 23T^{2} \)
29 \( 1 + 4.47T + 29T^{2} \)
31 \( 1 - 2T + 31T^{2} \)
37 \( 1 - 9.70T + 37T^{2} \)
41 \( 1 - 3.38T + 41T^{2} \)
43 \( 1 - 11.5T + 43T^{2} \)
47 \( 1 - 2.47T + 47T^{2} \)
53 \( 1 + 10.4T + 53T^{2} \)
59 \( 1 + 6.38T + 59T^{2} \)
61 \( 1 - 6.47T + 61T^{2} \)
67 \( 1 + 0.0901T + 67T^{2} \)
71 \( 1 + 0.763T + 71T^{2} \)
73 \( 1 - 12.6T + 73T^{2} \)
79 \( 1 + 13.4T + 79T^{2} \)
83 \( 1 + 6.32T + 83T^{2} \)
89 \( 1 - 3.09T + 89T^{2} \)
97 \( 1 - 13.8T + 97T^{2} \)
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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

−12.45618112546636037692280963740, −11.36292163946739514071372102626, −9.932749541309653048024732098464, −9.292889371651074355920669472020, −7.925476634561000018722407887335, −7.42742997818109701165262739129, −6.00283944129234321138458958830, −4.35330270706399664727065628455, −3.40998762431223147088630745347, −2.39534755043460532782145014653, 2.39534755043460532782145014653, 3.40998762431223147088630745347, 4.35330270706399664727065628455, 6.00283944129234321138458958830, 7.42742997818109701165262739129, 7.925476634561000018722407887335, 9.292889371651074355920669472020, 9.932749541309653048024732098464, 11.36292163946739514071372102626, 12.45618112546636037692280963740

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