Properties

Label 2-242-1.1-c3-0-20
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 + 7.57·3-s + 4·4-s + 5.40·5-s + 15.1·6-s + 22.1·7-s + 8·8-s + 30.3·9-s + 10.8·10-s + 30.3·12-s − 76.8·13-s + 44.2·14-s + 40.9·15-s + 16·16-s − 59.2·17-s + 60.7·18-s − 95.2·19-s + 21.6·20-s + 167.·21-s + 142.·23-s + 60.6·24-s − 95.7·25-s − 153.·26-s + 25.6·27-s + 88.5·28-s + 20.4·29-s + 81.9·30-s + ⋯
L(s)  = 1  + 0.707·2-s + 1.45·3-s + 0.5·4-s + 0.483·5-s + 1.03·6-s + 1.19·7-s + 0.353·8-s + 1.12·9-s + 0.342·10-s + 0.728·12-s − 1.63·13-s + 0.845·14-s + 0.705·15-s + 0.250·16-s − 0.845·17-s + 0.795·18-s − 1.15·19-s + 0.241·20-s + 1.74·21-s + 1.29·23-s + 0.515·24-s − 0.766·25-s − 1.15·26-s + 0.183·27-s + 0.597·28-s + 0.130·29-s + 0.498·30-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

\(L(2)\) \(\approx\) \(4.841874362\)
\(L(\frac12)\) \(\approx\) \(4.841874362\)
\(L(\frac{5}{2})\) 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 \( 1 - 7.57T + 27T^{2} \)
5 \( 1 - 5.40T + 125T^{2} \)
7 \( 1 - 22.1T + 343T^{2} \)
13 \( 1 + 76.8T + 2.19e3T^{2} \)
17 \( 1 + 59.2T + 4.91e3T^{2} \)
19 \( 1 + 95.2T + 6.85e3T^{2} \)
23 \( 1 - 142.T + 1.21e4T^{2} \)
29 \( 1 - 20.4T + 2.43e4T^{2} \)
31 \( 1 - 213.T + 2.97e4T^{2} \)
37 \( 1 + 145.T + 5.06e4T^{2} \)
41 \( 1 + 82.8T + 6.89e4T^{2} \)
43 \( 1 - 151.T + 7.95e4T^{2} \)
47 \( 1 - 90.3T + 1.03e5T^{2} \)
53 \( 1 + 234.T + 1.48e5T^{2} \)
59 \( 1 - 302.T + 2.05e5T^{2} \)
61 \( 1 - 149.T + 2.26e5T^{2} \)
67 \( 1 - 826.T + 3.00e5T^{2} \)
71 \( 1 + 898.T + 3.57e5T^{2} \)
73 \( 1 - 137.T + 3.89e5T^{2} \)
79 \( 1 - 304.T + 4.93e5T^{2} \)
83 \( 1 - 764.T + 5.71e5T^{2} \)
89 \( 1 + 313.T + 7.04e5T^{2} \)
97 \( 1 + 582.T + 9.12e5T^{2} \)
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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

−11.83567776578680170671476873731, −10.71995487638473423569936727559, −9.634893086324213980677310987256, −8.625608159625335986092024845699, −7.78775151342035122360411254103, −6.76923875522082618361551891195, −5.12266871297615454111413185467, −4.25765319206792989318675068124, −2.67578560900912292113851842675, −1.94828328982834482207014141597, 1.94828328982834482207014141597, 2.67578560900912292113851842675, 4.25765319206792989318675068124, 5.12266871297615454111413185467, 6.76923875522082618361551891195, 7.78775151342035122360411254103, 8.625608159625335986092024845699, 9.634893086324213980677310987256, 10.71995487638473423569936727559, 11.83567776578680170671476873731

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