Properties

Label 2-2e4-1.1-c15-0-0
Degree $2$
Conductor $16$
Sign $1$
Analytic cond. $22.8309$
Root an. cond. $4.77817$
Motivic weight $15$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 2.70e3·3-s − 2.51e5·5-s − 1.37e6·7-s − 7.05e6·9-s + 4.32e7·11-s − 3.23e8·13-s + 6.80e8·15-s − 1.91e8·17-s + 6.51e9·19-s + 3.70e9·21-s − 2.38e10·23-s + 3.29e10·25-s + 5.78e10·27-s + 1.76e11·29-s + 1.52e11·31-s − 1.16e11·33-s + 3.46e11·35-s + 2.15e10·37-s + 8.72e11·39-s − 2.45e11·41-s − 2.76e12·43-s + 1.77e12·45-s − 2.81e12·47-s − 2.85e12·49-s + 5.17e11·51-s − 3.49e12·53-s − 1.09e13·55-s + ⋯
L(s)  = 1  − 0.712·3-s − 1.44·5-s − 0.630·7-s − 0.491·9-s + 0.669·11-s − 1.42·13-s + 1.02·15-s − 0.113·17-s + 1.67·19-s + 0.449·21-s − 1.46·23-s + 1.07·25-s + 1.06·27-s + 1.90·29-s + 0.992·31-s − 0.477·33-s + 0.909·35-s + 0.0373·37-s + 1.01·39-s − 0.196·41-s − 1.55·43-s + 0.709·45-s − 0.809·47-s − 0.602·49-s + 0.0807·51-s − 0.408·53-s − 0.965·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(16-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s+15/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(16\)    =    \(2^{4}\)
Sign: $1$
Analytic conductor: \(22.8309\)
Root analytic conductor: \(4.77817\)
Motivic weight: \(15\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 16,\ (\ :15/2),\ 1)\)

Particular Values

\(L(8)\) \(\approx\) \(0.5757125299\)
\(L(\frac12)\) \(\approx\) \(0.5757125299\)
\(L(\frac{17}{2})\) 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 \( 1 + 100 p^{3} T + p^{15} T^{2} \)
5 \( 1 + 50378 p T + p^{15} T^{2} \)
7 \( 1 + 196296 p T + p^{15} T^{2} \)
11 \( 1 - 3935156 p T + p^{15} T^{2} \)
13 \( 1 + 323161466 T + p^{15} T^{2} \)
17 \( 1 + 191653646 T + p^{15} T^{2} \)
19 \( 1 - 6515456644 T + p^{15} T^{2} \)
23 \( 1 + 23880801512 T + p^{15} T^{2} \)
29 \( 1 - 176820596982 T + p^{15} T^{2} \)
31 \( 1 - 152007193888 T + p^{15} T^{2} \)
37 \( 1 - 21581233902 T + p^{15} T^{2} \)
41 \( 1 + 245334499686 T + p^{15} T^{2} \)
43 \( 1 + 2769961534756 T + p^{15} T^{2} \)
47 \( 1 + 2811771943248 T + p^{15} T^{2} \)
53 \( 1 + 3491413730722 T + p^{15} T^{2} \)
59 \( 1 - 15827800893676 T + p^{15} T^{2} \)
61 \( 1 + 24609047974442 T + p^{15} T^{2} \)
67 \( 1 - 20706233653684 T + p^{15} T^{2} \)
71 \( 1 - 719982528200 T + p^{15} T^{2} \)
73 \( 1 - 29883036220282 T + p^{15} T^{2} \)
79 \( 1 - 148100908648400 T + p^{15} T^{2} \)
83 \( 1 - 302806756982468 T + p^{15} T^{2} \)
89 \( 1 + 496150966996374 T + p^{15} T^{2} \)
97 \( 1 - 309183128990882 T + p^{15} T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−15.68099836541238319849099900752, −14.20411759121809858745977816082, −12.04495418091340258624350538203, −11.77653406063503479207182819724, −9.919655217223083970412042272574, −8.050264802497350460682673477249, −6.61395658344741064307662256259, −4.79779126188904728812577126694, −3.18403779256160235614301357741, −0.50637971763188014959486836674, 0.50637971763188014959486836674, 3.18403779256160235614301357741, 4.79779126188904728812577126694, 6.61395658344741064307662256259, 8.050264802497350460682673477249, 9.919655217223083970412042272574, 11.77653406063503479207182819724, 12.04495418091340258624350538203, 14.20411759121809858745977816082, 15.68099836541238319849099900752

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