Properties

Label 2-21e2-1.1-c5-0-15
Degree $2$
Conductor $441$
Sign $1$
Analytic cond. $70.7292$
Root an. cond. $8.41006$
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  − 32·4-s + 427·13-s + 1.02e3·16-s − 3.14e3·19-s − 3.12e3·25-s − 2.72e3·31-s − 6.66e3·37-s + 2.24e4·43-s − 1.36e4·52-s + 3.86e4·61-s − 3.27e4·64-s − 3.79e4·67-s + 7.81e4·73-s + 1.00e5·76-s + 9.08e4·79-s + 1.34e5·97-s + 1.00e5·100-s + 2.11e5·103-s − 2.47e5·109-s + ⋯
L(s)  = 1  − 4-s + 0.700·13-s + 16-s − 1.99·19-s − 25-s − 0.508·31-s − 0.799·37-s + 1.85·43-s − 0.700·52-s + 1.32·61-s − 64-s − 1.03·67-s + 1.71·73-s + 1.99·76-s + 1.63·79-s + 1.45·97-s + 100-s + 1.96·103-s − 1.99·109-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(70.7292\)
Root analytic conductor: \(8.41006\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.203144122\)
\(L(\frac12)\) \(\approx\) \(1.203144122\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
7 \( 1 \)
good2 \( 1 + p^{5} T^{2} \)
5 \( 1 + p^{5} T^{2} \)
11 \( 1 + p^{5} T^{2} \)
13 \( 1 - 427 T + p^{5} T^{2} \)
17 \( 1 + p^{5} T^{2} \)
19 \( 1 + 3143 T + p^{5} T^{2} \)
23 \( 1 + p^{5} T^{2} \)
29 \( 1 + p^{5} T^{2} \)
31 \( 1 + 2723 T + p^{5} T^{2} \)
37 \( 1 + 6661 T + p^{5} T^{2} \)
41 \( 1 + p^{5} T^{2} \)
43 \( 1 - 22475 T + p^{5} T^{2} \)
47 \( 1 + p^{5} T^{2} \)
53 \( 1 + p^{5} T^{2} \)
59 \( 1 + p^{5} T^{2} \)
61 \( 1 - 38626 T + p^{5} T^{2} \)
67 \( 1 + 37939 T + p^{5} T^{2} \)
71 \( 1 + p^{5} T^{2} \)
73 \( 1 - 78127 T + p^{5} T^{2} \)
79 \( 1 - 90857 T + p^{5} T^{2} \)
83 \( 1 + p^{5} T^{2} \)
89 \( 1 + p^{5} T^{2} \)
97 \( 1 - 134386 T + p^{5} T^{2} \)
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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

−10.32420311064483840618478082366, −9.273273649944034076682151569830, −8.604477334230504527039486017468, −7.78123591708624660672883285174, −6.44888688624800706063964990948, −5.54599480967236040029572686715, −4.37558308226033282198303751761, −3.64726564178505425956973178917, −2.03328322919460391173021457910, −0.56680113614704972683413546198, 0.56680113614704972683413546198, 2.03328322919460391173021457910, 3.64726564178505425956973178917, 4.37558308226033282198303751761, 5.54599480967236040029572686715, 6.44888688624800706063964990948, 7.78123591708624660672883285174, 8.604477334230504527039486017468, 9.273273649944034076682151569830, 10.32420311064483840618478082366

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