Properties

Label 2-76-1.1-c3-0-1
Degree $2$
Conductor $76$
Sign $1$
Analytic cond. $4.48414$
Root an. cond. $2.11758$
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  + 1.26·3-s + 11.0·5-s + 5.70·7-s − 25.4·9-s + 59.0·11-s + 88.0·13-s + 13.9·15-s − 113.·17-s + 19·19-s + 7.20·21-s + 40.1·23-s − 3.28·25-s − 66.1·27-s − 66.5·29-s − 248.·31-s + 74.5·33-s + 62.9·35-s − 330.·37-s + 111.·39-s − 172.·41-s + 56.9·43-s − 280.·45-s + 483.·47-s − 310.·49-s − 142.·51-s − 104.·53-s + 651.·55-s + ⋯
L(s)  = 1  + 0.243·3-s + 0.986·5-s + 0.308·7-s − 0.940·9-s + 1.61·11-s + 1.87·13-s + 0.239·15-s − 1.61·17-s + 0.229·19-s + 0.0748·21-s + 0.364·23-s − 0.0263·25-s − 0.471·27-s − 0.426·29-s − 1.44·31-s + 0.393·33-s + 0.303·35-s − 1.47·37-s + 0.456·39-s − 0.655·41-s + 0.201·43-s − 0.928·45-s + 1.49·47-s − 0.905·49-s − 0.392·51-s − 0.270·53-s + 1.59·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 76 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 76 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(76\)    =    \(2^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(4.48414\)
Root analytic conductor: \(2.11758\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 76,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.892626109\)
\(L(\frac12)\) \(\approx\) \(1.892626109\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
19 \( 1 - 19T \)
good3 \( 1 - 1.26T + 27T^{2} \)
5 \( 1 - 11.0T + 125T^{2} \)
7 \( 1 - 5.70T + 343T^{2} \)
11 \( 1 - 59.0T + 1.33e3T^{2} \)
13 \( 1 - 88.0T + 2.19e3T^{2} \)
17 \( 1 + 113.T + 4.91e3T^{2} \)
23 \( 1 - 40.1T + 1.21e4T^{2} \)
29 \( 1 + 66.5T + 2.43e4T^{2} \)
31 \( 1 + 248.T + 2.97e4T^{2} \)
37 \( 1 + 330.T + 5.06e4T^{2} \)
41 \( 1 + 172.T + 6.89e4T^{2} \)
43 \( 1 - 56.9T + 7.95e4T^{2} \)
47 \( 1 - 483.T + 1.03e5T^{2} \)
53 \( 1 + 104.T + 1.48e5T^{2} \)
59 \( 1 - 579.T + 2.05e5T^{2} \)
61 \( 1 - 314.T + 2.26e5T^{2} \)
67 \( 1 + 12.2T + 3.00e5T^{2} \)
71 \( 1 + 711.T + 3.57e5T^{2} \)
73 \( 1 + 704.T + 3.89e5T^{2} \)
79 \( 1 + 50.4T + 4.93e5T^{2} \)
83 \( 1 - 849.T + 5.71e5T^{2} \)
89 \( 1 - 704.T + 7.04e5T^{2} \)
97 \( 1 + 232.T + 9.12e5T^{2} \)
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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

−13.91767409938634973728453541248, −13.29049409512561326056522709250, −11.62198137775101094774258448984, −10.84304339645499939998125774853, −9.125718656623211975895720929268, −8.718607441677962935349668106990, −6.68582033822393918156009275920, −5.70234457510118832252743648478, −3.75871904875731464056622455498, −1.74181127422057721190169609644, 1.74181127422057721190169609644, 3.75871904875731464056622455498, 5.70234457510118832252743648478, 6.68582033822393918156009275920, 8.718607441677962935349668106990, 9.125718656623211975895720929268, 10.84304339645499939998125774853, 11.62198137775101094774258448984, 13.29049409512561326056522709250, 13.91767409938634973728453541248

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