Properties

Label 2-75-1.1-c21-0-15
Degree $2$
Conductor $75$
Sign $1$
Analytic cond. $209.608$
Root an. cond. $14.4778$
Motivic weight $21$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.15e3·2-s + 5.90e4·3-s − 7.63e5·4-s + 6.81e7·6-s + 5.42e7·7-s − 3.30e9·8-s + 3.48e9·9-s − 9.88e10·11-s − 4.50e10·12-s + 3.35e10·13-s + 6.26e10·14-s − 2.21e12·16-s + 1.60e13·17-s + 4.02e12·18-s − 1.23e13·19-s + 3.20e12·21-s − 1.14e14·22-s − 3.49e14·23-s − 1.95e14·24-s + 3.87e13·26-s + 2.05e14·27-s − 4.13e13·28-s + 9.02e14·29-s − 3.33e15·31-s + 4.37e15·32-s − 5.83e15·33-s + 1.84e16·34-s + ⋯
L(s)  = 1  + 0.797·2-s + 0.577·3-s − 0.364·4-s + 0.460·6-s + 0.0725·7-s − 1.08·8-s + 0.333·9-s − 1.14·11-s − 0.210·12-s + 0.0674·13-s + 0.0578·14-s − 0.503·16-s + 1.92·17-s + 0.265·18-s − 0.461·19-s + 0.0418·21-s − 0.916·22-s − 1.75·23-s − 0.628·24-s + 0.0538·26-s + 0.192·27-s − 0.0264·28-s + 0.398·29-s − 0.730·31-s + 0.686·32-s − 0.663·33-s + 1.53·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 75 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(22-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 75 ^{s/2} \, \Gamma_{\C}(s+21/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(75\)    =    \(3 \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(209.608\)
Root analytic conductor: \(14.4778\)
Motivic weight: \(21\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 75,\ (\ :21/2),\ 1)\)

Particular Values

\(L(11)\) \(\approx\) \(2.814900759\)
\(L(\frac12)\) \(\approx\) \(2.814900759\)
\(L(\frac{23}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - 5.90e4T \)
5 \( 1 \)
good2 \( 1 - 1.15e3T + 2.09e6T^{2} \)
7 \( 1 - 5.42e7T + 5.58e17T^{2} \)
11 \( 1 + 9.88e10T + 7.40e21T^{2} \)
13 \( 1 - 3.35e10T + 2.47e23T^{2} \)
17 \( 1 - 1.60e13T + 6.90e25T^{2} \)
19 \( 1 + 1.23e13T + 7.14e26T^{2} \)
23 \( 1 + 3.49e14T + 3.94e28T^{2} \)
29 \( 1 - 9.02e14T + 5.13e30T^{2} \)
31 \( 1 + 3.33e15T + 2.08e31T^{2} \)
37 \( 1 + 4.76e16T + 8.55e32T^{2} \)
41 \( 1 - 7.62e16T + 7.38e33T^{2} \)
43 \( 1 - 1.86e17T + 2.00e34T^{2} \)
47 \( 1 - 1.66e17T + 1.30e35T^{2} \)
53 \( 1 - 1.04e18T + 1.62e36T^{2} \)
59 \( 1 + 1.49e18T + 1.54e37T^{2} \)
61 \( 1 + 1.01e18T + 3.10e37T^{2} \)
67 \( 1 - 1.39e19T + 2.22e38T^{2} \)
71 \( 1 + 1.39e19T + 7.52e38T^{2} \)
73 \( 1 - 3.21e19T + 1.34e39T^{2} \)
79 \( 1 - 5.59e19T + 7.08e39T^{2} \)
83 \( 1 - 1.95e20T + 1.99e40T^{2} \)
89 \( 1 - 4.40e18T + 8.65e40T^{2} \)
97 \( 1 + 6.20e20T + 5.27e41T^{2} \)
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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

−10.50624556423161098720284845775, −9.610465989432176908505348637768, −8.387861663039619608076643036149, −7.59765142883691624182116929272, −5.96105816499862003553526839899, −5.16557107757723136042966738187, −3.98566336171066369364737436490, −3.17541457316295602198861976010, −2.08312875755117824506837380373, −0.58283656036794630593373096339, 0.58283656036794630593373096339, 2.08312875755117824506837380373, 3.17541457316295602198861976010, 3.98566336171066369364737436490, 5.16557107757723136042966738187, 5.96105816499862003553526839899, 7.59765142883691624182116929272, 8.387861663039619608076643036149, 9.610465989432176908505348637768, 10.50624556423161098720284845775

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