Properties

Label 2-15e2-1.1-c7-0-44
Degree $2$
Conductor $225$
Sign $-1$
Analytic cond. $70.2866$
Root an. cond. $8.38371$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5.23·2-s − 100.·4-s + 769.·7-s − 1.19e3·8-s − 5.35e3·11-s + 1.40e4·13-s + 4.03e3·14-s + 6.60e3·16-s − 1.24e4·17-s − 5.03e3·19-s − 2.80e4·22-s + 7.51e4·23-s + 7.35e4·26-s − 7.74e4·28-s − 1.95e5·29-s − 9.35e4·31-s + 1.87e5·32-s − 6.49e4·34-s + 1.61e5·37-s − 2.63e4·38-s + 2.87e4·41-s + 7.39e5·43-s + 5.38e5·44-s + 3.93e5·46-s − 1.06e6·47-s − 2.30e5·49-s − 1.41e6·52-s + ⋯
L(s)  = 1  + 0.462·2-s − 0.785·4-s + 0.848·7-s − 0.826·8-s − 1.21·11-s + 1.77·13-s + 0.392·14-s + 0.402·16-s − 0.612·17-s − 0.168·19-s − 0.561·22-s + 1.28·23-s + 0.820·26-s − 0.666·28-s − 1.48·29-s − 0.564·31-s + 1.01·32-s − 0.283·34-s + 0.524·37-s − 0.0780·38-s + 0.0651·41-s + 1.41·43-s + 0.953·44-s + 0.596·46-s − 1.50·47-s − 0.280·49-s − 1.39·52-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 225 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 225 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(225\)    =    \(3^{2} \cdot 5^{2}\)
Sign: $-1$
Analytic conductor: \(70.2866\)
Root analytic conductor: \(8.38371\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 225,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
5 \( 1 \)
good2 \( 1 - 5.23T + 128T^{2} \)
7 \( 1 - 769.T + 8.23e5T^{2} \)
11 \( 1 + 5.35e3T + 1.94e7T^{2} \)
13 \( 1 - 1.40e4T + 6.27e7T^{2} \)
17 \( 1 + 1.24e4T + 4.10e8T^{2} \)
19 \( 1 + 5.03e3T + 8.93e8T^{2} \)
23 \( 1 - 7.51e4T + 3.40e9T^{2} \)
29 \( 1 + 1.95e5T + 1.72e10T^{2} \)
31 \( 1 + 9.35e4T + 2.75e10T^{2} \)
37 \( 1 - 1.61e5T + 9.49e10T^{2} \)
41 \( 1 - 2.87e4T + 1.94e11T^{2} \)
43 \( 1 - 7.39e5T + 2.71e11T^{2} \)
47 \( 1 + 1.06e6T + 5.06e11T^{2} \)
53 \( 1 + 6.26e5T + 1.17e12T^{2} \)
59 \( 1 + 2.14e6T + 2.48e12T^{2} \)
61 \( 1 + 2.57e6T + 3.14e12T^{2} \)
67 \( 1 + 8.07e5T + 6.06e12T^{2} \)
71 \( 1 - 1.72e6T + 9.09e12T^{2} \)
73 \( 1 + 1.74e6T + 1.10e13T^{2} \)
79 \( 1 + 2.46e6T + 1.92e13T^{2} \)
83 \( 1 + 6.90e6T + 2.71e13T^{2} \)
89 \( 1 + 2.63e6T + 4.42e13T^{2} \)
97 \( 1 + 1.01e7T + 8.07e13T^{2} \)
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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

−10.82240474808395169206346356059, −9.330578717960758147268469799069, −8.546911209444174447563986919540, −7.66706733940980461384285652748, −6.08619383958503047758826069483, −5.18460701474627333684445191402, −4.24081727918334304586740643913, −3.06493819291444325398284792649, −1.43798087036939164292888391780, 0, 1.43798087036939164292888391780, 3.06493819291444325398284792649, 4.24081727918334304586740643913, 5.18460701474627333684445191402, 6.08619383958503047758826069483, 7.66706733940980461384285652748, 8.546911209444174447563986919540, 9.330578717960758147268469799069, 10.82240474808395169206346356059

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