Properties

Label 2-2e4-1.1-c13-0-1
Degree $2$
Conductor $16$
Sign $1$
Analytic cond. $17.1569$
Root an. cond. $4.14209$
Motivic weight $13$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 468·3-s + 5.62e4·5-s − 3.33e5·7-s − 1.37e6·9-s + 6.39e6·11-s + 1.51e7·13-s − 2.63e7·15-s + 4.31e7·17-s + 3.65e8·19-s + 1.55e8·21-s + 5.72e7·23-s + 1.93e9·25-s + 1.38e9·27-s − 4.64e7·29-s + 5.68e9·31-s − 2.99e9·33-s − 1.87e10·35-s − 1.88e9·37-s − 7.11e9·39-s − 7.33e9·41-s + 2.68e10·43-s − 7.73e10·45-s − 1.01e11·47-s + 1.40e10·49-s − 2.01e10·51-s + 2.78e11·53-s + 3.59e11·55-s + ⋯
L(s)  = 1  − 0.370·3-s + 1.60·5-s − 1.06·7-s − 0.862·9-s + 1.08·11-s + 0.873·13-s − 0.596·15-s + 0.433·17-s + 1.78·19-s + 0.396·21-s + 0.0806·23-s + 1.58·25-s + 0.690·27-s − 0.0144·29-s + 1.14·31-s − 0.403·33-s − 1.72·35-s − 0.120·37-s − 0.323·39-s − 0.241·41-s + 0.648·43-s − 1.38·45-s − 1.37·47-s + 0.144·49-s − 0.160·51-s + 1.72·53-s + 1.75·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(14-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s+13/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(16\)    =    \(2^{4}\)
Sign: $1$
Analytic conductor: \(17.1569\)
Root analytic conductor: \(4.14209\)
Motivic weight: \(13\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 16,\ (\ :13/2),\ 1)\)

Particular Values

\(L(7)\) \(\approx\) \(2.061015010\)
\(L(\frac12)\) \(\approx\) \(2.061015010\)
\(L(\frac{15}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 + 52 p^{2} T + p^{13} T^{2} \)
5 \( 1 - 56214 T + p^{13} T^{2} \)
7 \( 1 + 47576 p T + p^{13} T^{2} \)
11 \( 1 - 581580 p T + p^{13} T^{2} \)
13 \( 1 - 15199742 T + p^{13} T^{2} \)
17 \( 1 - 43114194 T + p^{13} T^{2} \)
19 \( 1 - 365115484 T + p^{13} T^{2} \)
23 \( 1 - 57226824 T + p^{13} T^{2} \)
29 \( 1 + 46418994 T + p^{13} T^{2} \)
31 \( 1 - 5682185824 T + p^{13} T^{2} \)
37 \( 1 + 1887185098 T + p^{13} T^{2} \)
41 \( 1 + 7336802934 T + p^{13} T^{2} \)
43 \( 1 - 26886674980 T + p^{13} T^{2} \)
47 \( 1 + 101839834224 T + p^{13} T^{2} \)
53 \( 1 - 278731884294 T + p^{13} T^{2} \)
59 \( 1 + 59573945772 T + p^{13} T^{2} \)
61 \( 1 + 27484470418 T + p^{13} T^{2} \)
67 \( 1 + 784410054932 T + p^{13} T^{2} \)
71 \( 1 - 360365227992 T + p^{13} T^{2} \)
73 \( 1 + 1592635413718 T + p^{13} T^{2} \)
79 \( 1 - 23161184752 T + p^{13} T^{2} \)
83 \( 1 + 2050158110436 T + p^{13} T^{2} \)
89 \( 1 + 3485391237126 T + p^{13} T^{2} \)
97 \( 1 - 6706667416802 T + p^{13} T^{2} \)
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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

−16.23758416912153835465560419383, −14.23321319311047109636902744506, −13.37881483256668419541963787746, −11.76890280447658187313306991297, −10.05485923595700085121969096645, −9.063165499557691097016506911780, −6.48812579958183135764738052696, −5.62703441429249929736842833659, −3.08265160901573935908673307852, −1.13979612295243050746634422779, 1.13979612295243050746634422779, 3.08265160901573935908673307852, 5.62703441429249929736842833659, 6.48812579958183135764738052696, 9.063165499557691097016506911780, 10.05485923595700085121969096645, 11.76890280447658187313306991297, 13.37881483256668419541963787746, 14.23321319311047109636902744506, 16.23758416912153835465560419383

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