Properties

Label 2-242-1.1-c3-0-5
Degree $2$
Conductor $242$
Sign $1$
Analytic cond. $14.2784$
Root an. cond. $3.77868$
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  + 2·2-s − 7.81·3-s + 4·4-s + 14.9·5-s − 15.6·6-s − 21.7·7-s + 8·8-s + 34.0·9-s + 29.8·10-s − 31.2·12-s + 44.0·13-s − 43.5·14-s − 116.·15-s + 16·16-s + 24.9·17-s + 68.0·18-s − 21.9·19-s + 59.6·20-s + 170.·21-s + 177.·23-s − 62.4·24-s + 97.5·25-s + 88.0·26-s − 54.8·27-s − 87.0·28-s + 149.·29-s − 233.·30-s + ⋯
L(s)  = 1  + 0.707·2-s − 1.50·3-s + 0.5·4-s + 1.33·5-s − 1.06·6-s − 1.17·7-s + 0.353·8-s + 1.26·9-s + 0.943·10-s − 0.751·12-s + 0.939·13-s − 0.831·14-s − 2.00·15-s + 0.250·16-s + 0.355·17-s + 0.891·18-s − 0.265·19-s + 0.667·20-s + 1.76·21-s + 1.61·23-s − 0.531·24-s + 0.780·25-s + 0.664·26-s − 0.391·27-s − 0.587·28-s + 0.956·29-s − 1.41·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 242 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 242 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(242\)    =    \(2 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(14.2784\)
Root analytic conductor: \(3.77868\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 242,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.986524116\)
\(L(\frac12)\) \(\approx\) \(1.986524116\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 2T \)
11 \( 1 \)
good3 \( 1 + 7.81T + 27T^{2} \)
5 \( 1 - 14.9T + 125T^{2} \)
7 \( 1 + 21.7T + 343T^{2} \)
13 \( 1 - 44.0T + 2.19e3T^{2} \)
17 \( 1 - 24.9T + 4.91e3T^{2} \)
19 \( 1 + 21.9T + 6.85e3T^{2} \)
23 \( 1 - 177.T + 1.21e4T^{2} \)
29 \( 1 - 149.T + 2.43e4T^{2} \)
31 \( 1 - 75.1T + 2.97e4T^{2} \)
37 \( 1 - 222.T + 5.06e4T^{2} \)
41 \( 1 - 253.T + 6.89e4T^{2} \)
43 \( 1 + 130.T + 7.95e4T^{2} \)
47 \( 1 - 499.T + 1.03e5T^{2} \)
53 \( 1 - 12.9T + 1.48e5T^{2} \)
59 \( 1 - 35.5T + 2.05e5T^{2} \)
61 \( 1 + 538.T + 2.26e5T^{2} \)
67 \( 1 + 519.T + 3.00e5T^{2} \)
71 \( 1 - 78.4T + 3.57e5T^{2} \)
73 \( 1 + 1.14e3T + 3.89e5T^{2} \)
79 \( 1 + 772.T + 4.93e5T^{2} \)
83 \( 1 + 537.T + 5.71e5T^{2} \)
89 \( 1 - 667.T + 7.04e5T^{2} \)
97 \( 1 + 179.T + 9.12e5T^{2} \)
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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

−11.74505140610294317038094177763, −10.74093085092891200926110504066, −10.12782331169106890458857225513, −9.047562035416996769583225171840, −7.01837806674432088795166209380, −6.10189478832302152512382953750, −5.84457870857156428599971339694, −4.60172343632328888877082899121, −2.92740406880386426868475535022, −1.05999928890979395020567088457, 1.05999928890979395020567088457, 2.92740406880386426868475535022, 4.60172343632328888877082899121, 5.84457870857156428599971339694, 6.10189478832302152512382953750, 7.01837806674432088795166209380, 9.047562035416996769583225171840, 10.12782331169106890458857225513, 10.74093085092891200926110504066, 11.74505140610294317038094177763

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