Properties

Label 2-2e4-1.1-c5-0-0
Degree $2$
Conductor $16$
Sign $1$
Analytic cond. $2.56614$
Root an. cond. $1.60191$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 12·3-s + 54·5-s + 88·7-s − 99·9-s − 540·11-s − 418·13-s + 648·15-s + 594·17-s − 836·19-s + 1.05e3·21-s + 4.10e3·23-s − 209·25-s − 4.10e3·27-s − 594·29-s − 4.25e3·31-s − 6.48e3·33-s + 4.75e3·35-s − 298·37-s − 5.01e3·39-s + 1.72e4·41-s + 1.21e4·43-s − 5.34e3·45-s + 1.29e3·47-s − 9.06e3·49-s + 7.12e3·51-s + 1.94e4·53-s − 2.91e4·55-s + ⋯
L(s)  = 1  + 0.769·3-s + 0.965·5-s + 0.678·7-s − 0.407·9-s − 1.34·11-s − 0.685·13-s + 0.743·15-s + 0.498·17-s − 0.531·19-s + 0.522·21-s + 1.61·23-s − 0.0668·25-s − 1.08·27-s − 0.131·29-s − 0.795·31-s − 1.03·33-s + 0.655·35-s − 0.0357·37-s − 0.528·39-s + 1.60·41-s + 0.997·43-s − 0.393·45-s + 0.0855·47-s − 0.539·49-s + 0.383·51-s + 0.953·53-s − 1.29·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(16\)    =    \(2^{4}\)
Sign: $1$
Analytic conductor: \(2.56614\)
Root analytic conductor: \(1.60191\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 16,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.729941294\)
\(L(\frac12)\) \(\approx\) \(1.729941294\)
\(L(\frac{7}{2})\) 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 \( 1 - 4 p T + p^{5} T^{2} \)
5 \( 1 - 54 T + p^{5} T^{2} \)
7 \( 1 - 88 T + p^{5} T^{2} \)
11 \( 1 + 540 T + p^{5} T^{2} \)
13 \( 1 + 418 T + p^{5} T^{2} \)
17 \( 1 - 594 T + p^{5} T^{2} \)
19 \( 1 + 44 p T + p^{5} T^{2} \)
23 \( 1 - 4104 T + p^{5} T^{2} \)
29 \( 1 + 594 T + p^{5} T^{2} \)
31 \( 1 + 4256 T + p^{5} T^{2} \)
37 \( 1 + 298 T + p^{5} T^{2} \)
41 \( 1 - 17226 T + p^{5} T^{2} \)
43 \( 1 - 12100 T + p^{5} T^{2} \)
47 \( 1 - 1296 T + p^{5} T^{2} \)
53 \( 1 - 19494 T + p^{5} T^{2} \)
59 \( 1 - 7668 T + p^{5} T^{2} \)
61 \( 1 + 34738 T + p^{5} T^{2} \)
67 \( 1 + 21812 T + p^{5} T^{2} \)
71 \( 1 - 46872 T + p^{5} T^{2} \)
73 \( 1 - 67562 T + p^{5} T^{2} \)
79 \( 1 - 76912 T + p^{5} T^{2} \)
83 \( 1 + 67716 T + p^{5} T^{2} \)
89 \( 1 - 29754 T + p^{5} T^{2} \)
97 \( 1 + 122398 T + p^{5} T^{2} \)
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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

−18.04383618758266999358334523049, −16.94998892060282683766285434716, −15.08703638296098589248965903262, −14.09667517674615670738313853545, −12.89539891565161236343903424380, −10.83048349303421078800041691529, −9.281178657875979264696140206247, −7.77817942545382928329939365464, −5.38115118881380520172416574908, −2.47443382434278018679916361115, 2.47443382434278018679916361115, 5.38115118881380520172416574908, 7.77817942545382928329939365464, 9.281178657875979264696140206247, 10.83048349303421078800041691529, 12.89539891565161236343903424380, 14.09667517674615670738313853545, 15.08703638296098589248965903262, 16.94998892060282683766285434716, 18.04383618758266999358334523049

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