Properties

Label 2-75-3.2-c4-0-14
Degree $2$
Conductor $75$
Sign $1$
Analytic cond. $7.75274$
Root an. cond. $2.78437$
Motivic weight $4$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 9·3-s + 16·4-s + 23·7-s + 81·9-s + 144·12-s − 337·13-s + 256·16-s + 647·19-s + 207·21-s + 729·27-s + 368·28-s − 1.75e3·31-s + 1.29e3·36-s − 2.06e3·37-s − 3.03e3·39-s + 23·43-s + 2.30e3·48-s − 1.87e3·49-s − 5.39e3·52-s + 5.82e3·57-s − 5.23e3·61-s + 1.86e3·63-s + 4.09e3·64-s + 2.90e3·67-s − 8.54e3·73-s + 1.03e4·76-s + 7.68e3·79-s + ⋯
L(s)  = 1  + 3-s + 4-s + 0.469·7-s + 9-s + 12-s − 1.99·13-s + 16-s + 1.79·19-s + 0.469·21-s + 27-s + 0.469·28-s − 1.82·31-s + 36-s − 1.50·37-s − 1.99·39-s + 0.0124·43-s + 48-s − 0.779·49-s − 1.99·52-s + 1.79·57-s − 1.40·61-s + 0.469·63-s + 64-s + 0.646·67-s − 1.60·73-s + 1.79·76-s + 1.23·79-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 75 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 75 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(75\)    =    \(3 \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(7.75274\)
Root analytic conductor: \(2.78437\)
Motivic weight: \(4\)
Rational: yes
Arithmetic: yes
Character: $\chi_{75} (26, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 75,\ (\ :2),\ 1)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(2.780628261\)
\(L(\frac12)\) \(\approx\) \(2.780628261\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - p^{2} T \)
5 \( 1 \)
good2 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
7 \( 1 - 23 T + p^{4} T^{2} \)
11 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
13 \( 1 + 337 T + p^{4} T^{2} \)
17 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
19 \( 1 - 647 T + p^{4} T^{2} \)
23 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
29 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
31 \( 1 + 1753 T + p^{4} T^{2} \)
37 \( 1 + 2062 T + p^{4} T^{2} \)
41 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
43 \( 1 - 23 T + p^{4} T^{2} \)
47 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
53 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
59 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
61 \( 1 + 5233 T + p^{4} T^{2} \)
67 \( 1 - 2903 T + p^{4} T^{2} \)
71 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
73 \( 1 + 8542 T + p^{4} T^{2} \)
79 \( 1 - 7682 T + p^{4} T^{2} \)
83 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
89 \( ( 1 - p^{2} T )( 1 + p^{2} T ) \)
97 \( 1 - 9743 T + p^{4} T^{2} \)
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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

−14.11871909382922466647228281821, −12.61251511130612925540717230837, −11.72130387472548392917208685514, −10.32323946298088375737990587463, −9.310310356846916737252968348194, −7.69906588291310245697888529564, −7.16247687597561587119231272442, −5.14021592860931460246567086610, −3.18310784597666974750276484199, −1.86773543549791273166421485733, 1.86773543549791273166421485733, 3.18310784597666974750276484199, 5.14021592860931460246567086610, 7.16247687597561587119231272442, 7.69906588291310245697888529564, 9.310310356846916737252968348194, 10.32323946298088375737990587463, 11.72130387472548392917208685514, 12.61251511130612925540717230837, 14.11871909382922466647228281821

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