Properties

Label 2-75-1.1-c7-0-18
Degree $2$
Conductor $75$
Sign $1$
Analytic cond. $23.4288$
Root an. cond. $4.84033$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 21.0·2-s + 27·3-s + 315.·4-s + 568.·6-s + 923.·7-s + 3.93e3·8-s + 729·9-s − 3.26e3·11-s + 8.50e3·12-s − 9.97e3·13-s + 1.94e4·14-s + 4.25e4·16-s − 6.00e3·17-s + 1.53e4·18-s + 3.43e4·19-s + 2.49e4·21-s − 6.87e4·22-s − 1.48e4·23-s + 1.06e5·24-s − 2.09e5·26-s + 1.96e4·27-s + 2.91e5·28-s − 8.41e4·29-s + 1.81e5·31-s + 3.91e5·32-s − 8.81e4·33-s − 1.26e5·34-s + ⋯
L(s)  = 1  + 1.86·2-s + 0.577·3-s + 2.46·4-s + 1.07·6-s + 1.01·7-s + 2.71·8-s + 0.333·9-s − 0.739·11-s + 1.42·12-s − 1.25·13-s + 1.89·14-s + 2.59·16-s − 0.296·17-s + 0.620·18-s + 1.14·19-s + 0.587·21-s − 1.37·22-s − 0.255·23-s + 1.56·24-s − 2.34·26-s + 0.192·27-s + 2.50·28-s − 0.640·29-s + 1.09·31-s + 2.11·32-s − 0.427·33-s − 0.551·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 75 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 75 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(75\)    =    \(3 \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(23.4288\)
Root analytic conductor: \(4.84033\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 75,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(7.530823812\)
\(L(\frac12)\) \(\approx\) \(7.530823812\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - 27T \)
5 \( 1 \)
good2 \( 1 - 21.0T + 128T^{2} \)
7 \( 1 - 923.T + 8.23e5T^{2} \)
11 \( 1 + 3.26e3T + 1.94e7T^{2} \)
13 \( 1 + 9.97e3T + 6.27e7T^{2} \)
17 \( 1 + 6.00e3T + 4.10e8T^{2} \)
19 \( 1 - 3.43e4T + 8.93e8T^{2} \)
23 \( 1 + 1.48e4T + 3.40e9T^{2} \)
29 \( 1 + 8.41e4T + 1.72e10T^{2} \)
31 \( 1 - 1.81e5T + 2.75e10T^{2} \)
37 \( 1 - 3.32e4T + 9.49e10T^{2} \)
41 \( 1 + 6.58e5T + 1.94e11T^{2} \)
43 \( 1 + 5.09e5T + 2.71e11T^{2} \)
47 \( 1 + 1.39e5T + 5.06e11T^{2} \)
53 \( 1 - 8.48e5T + 1.17e12T^{2} \)
59 \( 1 - 1.50e6T + 2.48e12T^{2} \)
61 \( 1 + 3.47e6T + 3.14e12T^{2} \)
67 \( 1 - 1.09e6T + 6.06e12T^{2} \)
71 \( 1 - 3.29e5T + 9.09e12T^{2} \)
73 \( 1 - 2.86e6T + 1.10e13T^{2} \)
79 \( 1 + 1.04e6T + 1.92e13T^{2} \)
83 \( 1 + 3.76e6T + 2.71e13T^{2} \)
89 \( 1 + 9.44e6T + 4.42e13T^{2} \)
97 \( 1 - 5.39e6T + 8.07e13T^{2} \)
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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

−13.36300209978257812339758450834, −12.21416189583209140163240942646, −11.39798916847575076296404410874, −10.06500833751344015182128565801, −8.020511637206834625388414480945, −7.04678436717967394993162538530, −5.35790075949097753706953542766, −4.57567679492180502566003120050, −3.06864374172009820563395935715, −1.92877385055314760706352215132, 1.92877385055314760706352215132, 3.06864374172009820563395935715, 4.57567679492180502566003120050, 5.35790075949097753706953542766, 7.04678436717967394993162538530, 8.020511637206834625388414480945, 10.06500833751344015182128565801, 11.39798916847575076296404410874, 12.21416189583209140163240942646, 13.36300209978257812339758450834

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