Properties

Label 2-76-1.1-c7-0-3
Degree $2$
Conductor $76$
Sign $1$
Analytic cond. $23.7412$
Root an. cond. $4.87250$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 37.4·3-s + 534.·5-s + 1.05e3·7-s − 782.·9-s + 295.·11-s − 5.97e3·13-s − 2.00e4·15-s + 8.60e3·17-s + 6.85e3·19-s − 3.93e4·21-s + 7.10e4·23-s + 2.07e5·25-s + 1.11e5·27-s − 1.34e5·29-s + 1.23e5·31-s − 1.10e4·33-s + 5.62e5·35-s − 1.63e4·37-s + 2.23e5·39-s − 5.59e5·41-s + 8.02e4·43-s − 4.18e5·45-s + 7.86e5·47-s + 2.81e5·49-s − 3.22e5·51-s + 1.46e6·53-s + 1.58e5·55-s + ⋯
L(s)  = 1  − 0.801·3-s + 1.91·5-s + 1.15·7-s − 0.357·9-s + 0.0669·11-s − 0.754·13-s − 1.53·15-s + 0.424·17-s + 0.229·19-s − 0.928·21-s + 1.21·23-s + 2.66·25-s + 1.08·27-s − 1.02·29-s + 0.743·31-s − 0.0536·33-s + 2.21·35-s − 0.0530·37-s + 0.604·39-s − 1.26·41-s + 0.153·43-s − 0.684·45-s + 1.10·47-s + 0.342·49-s − 0.340·51-s + 1.35·53-s + 0.128·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 76 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 76 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(76\)    =    \(2^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(23.7412\)
Root analytic conductor: \(4.87250\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 76,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(2.293446274\)
\(L(\frac12)\) \(\approx\) \(2.293446274\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
19 \( 1 - 6.85e3T \)
good3 \( 1 + 37.4T + 2.18e3T^{2} \)
5 \( 1 - 534.T + 7.81e4T^{2} \)
7 \( 1 - 1.05e3T + 8.23e5T^{2} \)
11 \( 1 - 295.T + 1.94e7T^{2} \)
13 \( 1 + 5.97e3T + 6.27e7T^{2} \)
17 \( 1 - 8.60e3T + 4.10e8T^{2} \)
23 \( 1 - 7.10e4T + 3.40e9T^{2} \)
29 \( 1 + 1.34e5T + 1.72e10T^{2} \)
31 \( 1 - 1.23e5T + 2.75e10T^{2} \)
37 \( 1 + 1.63e4T + 9.49e10T^{2} \)
41 \( 1 + 5.59e5T + 1.94e11T^{2} \)
43 \( 1 - 8.02e4T + 2.71e11T^{2} \)
47 \( 1 - 7.86e5T + 5.06e11T^{2} \)
53 \( 1 - 1.46e6T + 1.17e12T^{2} \)
59 \( 1 - 1.32e6T + 2.48e12T^{2} \)
61 \( 1 - 2.75e6T + 3.14e12T^{2} \)
67 \( 1 - 2.31e6T + 6.06e12T^{2} \)
71 \( 1 + 2.33e6T + 9.09e12T^{2} \)
73 \( 1 + 7.95e5T + 1.10e13T^{2} \)
79 \( 1 - 2.75e6T + 1.92e13T^{2} \)
83 \( 1 + 9.02e6T + 2.71e13T^{2} \)
89 \( 1 - 6.58e6T + 4.42e13T^{2} \)
97 \( 1 + 1.49e7T + 8.07e13T^{2} \)
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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

−13.13801618247183240716400794641, −11.86135813531384356650235372707, −10.82263268341793170740157367164, −9.859721955204425256833335068437, −8.672366291200635739186976031158, −6.92792172674638159822569332234, −5.58761163664648003385882343442, −5.07397254970131380898691863104, −2.44087952178708572018156984996, −1.13954020283370066529246591284, 1.13954020283370066529246591284, 2.44087952178708572018156984996, 5.07397254970131380898691863104, 5.58761163664648003385882343442, 6.92792172674638159822569332234, 8.672366291200635739186976031158, 9.859721955204425256833335068437, 10.82263268341793170740157367164, 11.86135813531384356650235372707, 13.13801618247183240716400794641

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