Properties

Label 2-1216-1.1-c3-0-25
Degree $2$
Conductor $1216$
Sign $1$
Analytic cond. $71.7463$
Root an. cond. $8.47032$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·3-s + 9·5-s − 31·7-s − 23·9-s − 57·11-s + 52·13-s + 18·15-s + 69·17-s − 19·19-s − 62·21-s − 72·23-s − 44·25-s − 100·27-s + 150·29-s + 32·31-s − 114·33-s − 279·35-s + 226·37-s + 104·39-s − 258·41-s + 67·43-s − 207·45-s + 579·47-s + 618·49-s + 138·51-s + 432·53-s − 513·55-s + ⋯
L(s)  = 1  + 0.384·3-s + 0.804·5-s − 1.67·7-s − 0.851·9-s − 1.56·11-s + 1.10·13-s + 0.309·15-s + 0.984·17-s − 0.229·19-s − 0.644·21-s − 0.652·23-s − 0.351·25-s − 0.712·27-s + 0.960·29-s + 0.185·31-s − 0.601·33-s − 1.34·35-s + 1.00·37-s + 0.427·39-s − 0.982·41-s + 0.237·43-s − 0.685·45-s + 1.79·47-s + 1.80·49-s + 0.378·51-s + 1.11·53-s − 1.25·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1216 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1216 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1216\)    =    \(2^{6} \cdot 19\)
Sign: $1$
Analytic conductor: \(71.7463\)
Root analytic conductor: \(8.47032\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1216,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.681310875\)
\(L(\frac12)\) \(\approx\) \(1.681310875\)
\(L(\frac{5}{2})\) 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 \( 1 + p T \)
good3 \( 1 - 2 T + p^{3} T^{2} \)
5 \( 1 - 9 T + p^{3} T^{2} \)
7 \( 1 + 31 T + p^{3} T^{2} \)
11 \( 1 + 57 T + p^{3} T^{2} \)
13 \( 1 - 4 p T + p^{3} T^{2} \)
17 \( 1 - 69 T + p^{3} T^{2} \)
23 \( 1 + 72 T + p^{3} T^{2} \)
29 \( 1 - 150 T + p^{3} T^{2} \)
31 \( 1 - 32 T + p^{3} T^{2} \)
37 \( 1 - 226 T + p^{3} T^{2} \)
41 \( 1 + 258 T + p^{3} T^{2} \)
43 \( 1 - 67 T + p^{3} T^{2} \)
47 \( 1 - 579 T + p^{3} T^{2} \)
53 \( 1 - 432 T + p^{3} T^{2} \)
59 \( 1 - 330 T + p^{3} T^{2} \)
61 \( 1 - 13 T + p^{3} T^{2} \)
67 \( 1 - 856 T + p^{3} T^{2} \)
71 \( 1 - 642 T + p^{3} T^{2} \)
73 \( 1 + 487 T + p^{3} T^{2} \)
79 \( 1 + 700 T + p^{3} T^{2} \)
83 \( 1 - 12 T + p^{3} T^{2} \)
89 \( 1 + 600 T + p^{3} T^{2} \)
97 \( 1 - 1424 T + p^{3} T^{2} \)
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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

−9.453816499055840731714963848316, −8.558096012505536675416376489700, −7.892633949483812564997519110026, −6.72476968468592640044011233852, −5.83847548147430368548314356752, −5.55057924567218571015087346590, −3.87066647141817094262092517610, −2.98043041281799238156012586778, −2.35040027963981661612943068714, −0.61749852112491609360435525372, 0.61749852112491609360435525372, 2.35040027963981661612943068714, 2.98043041281799238156012586778, 3.87066647141817094262092517610, 5.55057924567218571015087346590, 5.83847548147430368548314356752, 6.72476968468592640044011233852, 7.892633949483812564997519110026, 8.558096012505536675416376489700, 9.453816499055840731714963848316

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