Properties

Label 2-75-3.2-c2-0-1
Degree $2$
Conductor $75$
Sign $-i$
Analytic cond. $2.04360$
Root an. cond. $1.42954$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + i·2-s + 3i·3-s + 3·4-s − 3·6-s + 7i·8-s − 9·9-s + 9i·12-s + 5·16-s − 14i·17-s − 9i·18-s + 22·19-s − 34i·23-s − 21·24-s − 27i·27-s + 2·31-s + 33i·32-s + ⋯
L(s)  = 1  + 0.5i·2-s + i·3-s + 0.750·4-s − 0.5·6-s + 0.875i·8-s − 9-s + 0.750i·12-s + 0.312·16-s − 0.823i·17-s − 0.5i·18-s + 1.15·19-s − 1.47i·23-s − 0.875·24-s i·27-s + 0.0645·31-s + 1.03i·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 75 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 75 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(75\)    =    \(3 \cdot 5^{2}\)
Sign: $-i$
Analytic conductor: \(2.04360\)
Root analytic conductor: \(1.42954\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{75} (26, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 75,\ (\ :1),\ -i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.00795 + 1.00795i\)
\(L(\frac12)\) \(\approx\) \(1.00795 + 1.00795i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - 3iT \)
5 \( 1 \)
good2 \( 1 - iT - 4T^{2} \)
7 \( 1 + 49T^{2} \)
11 \( 1 - 121T^{2} \)
13 \( 1 + 169T^{2} \)
17 \( 1 + 14iT - 289T^{2} \)
19 \( 1 - 22T + 361T^{2} \)
23 \( 1 + 34iT - 529T^{2} \)
29 \( 1 - 841T^{2} \)
31 \( 1 - 2T + 961T^{2} \)
37 \( 1 + 1.36e3T^{2} \)
41 \( 1 - 1.68e3T^{2} \)
43 \( 1 + 1.84e3T^{2} \)
47 \( 1 + 14iT - 2.20e3T^{2} \)
53 \( 1 - 86iT - 2.80e3T^{2} \)
59 \( 1 - 3.48e3T^{2} \)
61 \( 1 + 118T + 3.72e3T^{2} \)
67 \( 1 + 4.48e3T^{2} \)
71 \( 1 - 5.04e3T^{2} \)
73 \( 1 + 5.32e3T^{2} \)
79 \( 1 + 98T + 6.24e3T^{2} \)
83 \( 1 + 154iT - 6.88e3T^{2} \)
89 \( 1 - 7.92e3T^{2} \)
97 \( 1 + 9.40e3T^{2} \)
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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

−14.76490280518785353993399146950, −13.92539311789386162852678130969, −12.11488173386944239510857561232, −11.18099988496288200452632945387, −10.15435910495107794465930274154, −8.879540449514900323300420046373, −7.55021665442649609824048918315, −6.12509675385144356007235067614, −4.84321135567696772073107231735, −2.92802658174998313751160576561, 1.57143054738411721911180195206, 3.23820338775733608420604808770, 5.75659578705248689833887837137, 6.98511199075596122388710643050, 7.995983009523014210497531158432, 9.638918405149932052416966794377, 11.04733130159140469325977840695, 11.83627455434379745526853383829, 12.76615296458415609702033283717, 13.76174265293518404568626967360

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