Properties

Label 2-15e2-1.1-c3-0-3
Degree $2$
Conductor $225$
Sign $1$
Analytic cond. $13.2754$
Root an. cond. $3.64354$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8·4-s − 20·7-s + 70·13-s + 64·16-s + 56·19-s + 160·28-s + 308·31-s − 110·37-s + 520·43-s + 57·49-s − 560·52-s + 182·61-s − 512·64-s + 880·67-s − 1.19e3·73-s − 448·76-s + 884·79-s − 1.40e3·91-s + 1.33e3·97-s − 1.82e3·103-s − 646·109-s − 1.28e3·112-s + ⋯
L(s)  = 1  − 4-s − 1.07·7-s + 1.49·13-s + 16-s + 0.676·19-s + 1.07·28-s + 1.78·31-s − 0.488·37-s + 1.84·43-s + 0.166·49-s − 1.49·52-s + 0.382·61-s − 64-s + 1.60·67-s − 1.90·73-s − 0.676·76-s + 1.25·79-s − 1.61·91-s + 1.39·97-s − 1.74·103-s − 0.567·109-s − 1.07·112-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 225 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 225 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(225\)    =    \(3^{2} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(13.2754\)
Root analytic conductor: \(3.64354\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 225,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.223521255\)
\(L(\frac12)\) \(\approx\) \(1.223521255\)
\(L(\frac{5}{2})\) 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 \( 1 + p^{3} T^{2} \)
7 \( 1 + 20 T + p^{3} T^{2} \)
11 \( 1 + p^{3} T^{2} \)
13 \( 1 - 70 T + p^{3} T^{2} \)
17 \( 1 + p^{3} T^{2} \)
19 \( 1 - 56 T + p^{3} T^{2} \)
23 \( 1 + p^{3} T^{2} \)
29 \( 1 + p^{3} T^{2} \)
31 \( 1 - 308 T + p^{3} T^{2} \)
37 \( 1 + 110 T + p^{3} T^{2} \)
41 \( 1 + p^{3} T^{2} \)
43 \( 1 - 520 T + p^{3} T^{2} \)
47 \( 1 + p^{3} T^{2} \)
53 \( 1 + p^{3} T^{2} \)
59 \( 1 + p^{3} T^{2} \)
61 \( 1 - 182 T + p^{3} T^{2} \)
67 \( 1 - 880 T + p^{3} T^{2} \)
71 \( 1 + p^{3} T^{2} \)
73 \( 1 + 1190 T + p^{3} T^{2} \)
79 \( 1 - 884 T + p^{3} T^{2} \)
83 \( 1 + p^{3} T^{2} \)
89 \( 1 + p^{3} T^{2} \)
97 \( 1 - 1330 T + p^{3} T^{2} \)
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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

−11.94246149336716192017690448498, −10.66319002193887774722459892329, −9.736021550852362634362392378511, −8.951274740646641092472136573458, −8.010266538291002503177740215700, −6.55727876658949866684106947460, −5.59998821300806372191405409731, −4.18250541002276979321604479900, −3.16942872407691580346570537370, −0.849128789085722444070204926495, 0.849128789085722444070204926495, 3.16942872407691580346570537370, 4.18250541002276979321604479900, 5.59998821300806372191405409731, 6.55727876658949866684106947460, 8.010266538291002503177740215700, 8.951274740646641092472136573458, 9.736021550852362634362392378511, 10.66319002193887774722459892329, 11.94246149336716192017690448498

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