Properties

Label 2-77-1.1-c1-0-0
Degree $2$
Conductor $77$
Sign $1$
Analytic cond. $0.614848$
Root an. cond. $0.784122$
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  − 2.23·2-s + 3.23·3-s + 3.00·4-s − 2·5-s − 7.23·6-s + 7-s − 2.23·8-s + 7.47·9-s + 4.47·10-s − 11-s + 9.70·12-s − 1.23·13-s − 2.23·14-s − 6.47·15-s − 0.999·16-s + 1.23·17-s − 16.7·18-s − 2.47·19-s − 6.00·20-s + 3.23·21-s + 2.23·22-s − 6.47·23-s − 7.23·24-s − 25-s + 2.76·26-s + 14.4·27-s + 3.00·28-s + ⋯
L(s)  = 1  − 1.58·2-s + 1.86·3-s + 1.50·4-s − 0.894·5-s − 2.95·6-s + 0.377·7-s − 0.790·8-s + 2.49·9-s + 1.41·10-s − 0.301·11-s + 2.80·12-s − 0.342·13-s − 0.597·14-s − 1.67·15-s − 0.249·16-s + 0.299·17-s − 3.93·18-s − 0.567·19-s − 1.34·20-s + 0.706·21-s + 0.476·22-s − 1.34·23-s − 1.47·24-s − 0.200·25-s + 0.542·26-s + 2.78·27-s + 0.566·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 77 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 77 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(77\)    =    \(7 \cdot 11\)
Sign: $1$
Analytic conductor: \(0.614848\)
Root analytic conductor: \(0.784122\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 77,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7291368077\)
\(L(\frac12)\) \(\approx\) \(0.7291368077\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 - T \)
11 \( 1 + T \)
good2 \( 1 + 2.23T + 2T^{2} \)
3 \( 1 - 3.23T + 3T^{2} \)
5 \( 1 + 2T + 5T^{2} \)
13 \( 1 + 1.23T + 13T^{2} \)
17 \( 1 - 1.23T + 17T^{2} \)
19 \( 1 + 2.47T + 19T^{2} \)
23 \( 1 + 6.47T + 23T^{2} \)
29 \( 1 + 0.472T + 29T^{2} \)
31 \( 1 + 7.23T + 31T^{2} \)
37 \( 1 - 0.472T + 37T^{2} \)
41 \( 1 + 6.76T + 41T^{2} \)
43 \( 1 - 8T + 43T^{2} \)
47 \( 1 - 7.23T + 47T^{2} \)
53 \( 1 - 8.47T + 53T^{2} \)
59 \( 1 - 3.23T + 59T^{2} \)
61 \( 1 + 2.76T + 61T^{2} \)
67 \( 1 - 5.52T + 67T^{2} \)
71 \( 1 + 1.52T + 71T^{2} \)
73 \( 1 + 5.23T + 73T^{2} \)
79 \( 1 - 8.94T + 79T^{2} \)
83 \( 1 - 15.4T + 83T^{2} \)
89 \( 1 - 2T + 89T^{2} \)
97 \( 1 + 9.41T + 97T^{2} \)
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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

−14.77113383902928186552317166788, −13.64378596260725423988467239504, −12.18782379390857727025883054502, −10.66696977835995280693652080171, −9.646008721917093568598530969159, −8.655694758854538486237566014906, −7.921452813266244493658886433521, −7.29080846889334209401330189578, −3.96714211787804829284362244522, −2.16581206833890556742345562501, 2.16581206833890556742345562501, 3.96714211787804829284362244522, 7.29080846889334209401330189578, 7.921452813266244493658886433521, 8.655694758854538486237566014906, 9.646008721917093568598530969159, 10.66696977835995280693652080171, 12.18782379390857727025883054502, 13.64378596260725423988467239504, 14.77113383902928186552317166788

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