Properties

Label 2-75-5.4-c21-0-15
Degree $2$
Conductor $75$
Sign $0.894 + 0.447i$
Analytic cond. $209.608$
Root an. cond. $14.4778$
Motivic weight $21$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.84e3i·2-s + 5.90e4i·3-s − 5.99e6·4-s + 1.67e8·6-s + 3.63e8i·7-s + 1.10e10i·8-s − 3.48e9·9-s + 1.45e10·11-s − 3.53e11i·12-s − 1.13e11i·13-s + 1.03e12·14-s + 1.89e13·16-s − 8.58e12i·17-s + 9.91e12i·18-s + 2.92e13·19-s + ⋯
L(s)  = 1  − 1.96i·2-s + 0.577i·3-s − 2.85·4-s + 1.13·6-s + 0.486i·7-s + 3.64i·8-s − 0.333·9-s + 0.169·11-s − 1.64i·12-s − 0.228i·13-s + 0.954·14-s + 4.30·16-s − 1.03i·17-s + 0.654i·18-s + 1.09·19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 75 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.894 + 0.447i)\, \overline{\Lambda}(22-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 75 ^{s/2} \, \Gamma_{\C}(s+21/2) \, L(s)\cr =\mathstrut & (0.894 + 0.447i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(75\)    =    \(3 \cdot 5^{2}\)
Sign: $0.894 + 0.447i$
Analytic conductor: \(209.608\)
Root analytic conductor: \(14.4778\)
Motivic weight: \(21\)
Rational: no
Arithmetic: yes
Character: $\chi_{75} (49, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 75,\ (\ :21/2),\ 0.894 + 0.447i)\)

Particular Values

\(L(11)\) \(\approx\) \(1.109382968\)
\(L(\frac12)\) \(\approx\) \(1.109382968\)
\(L(\frac{23}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - 5.90e4iT \)
5 \( 1 \)
good2 \( 1 + 2.84e3iT - 2.09e6T^{2} \)
7 \( 1 - 3.63e8iT - 5.58e17T^{2} \)
11 \( 1 - 1.45e10T + 7.40e21T^{2} \)
13 \( 1 + 1.13e11iT - 2.47e23T^{2} \)
17 \( 1 + 8.58e12iT - 6.90e25T^{2} \)
19 \( 1 - 2.92e13T + 7.14e26T^{2} \)
23 \( 1 - 1.55e14iT - 3.94e28T^{2} \)
29 \( 1 + 2.40e15T + 5.13e30T^{2} \)
31 \( 1 - 2.23e15T + 2.08e31T^{2} \)
37 \( 1 + 3.07e16iT - 8.55e32T^{2} \)
41 \( 1 + 1.03e17T + 7.38e33T^{2} \)
43 \( 1 - 1.65e17iT - 2.00e34T^{2} \)
47 \( 1 + 6.65e16iT - 1.30e35T^{2} \)
53 \( 1 + 4.35e17iT - 1.62e36T^{2} \)
59 \( 1 + 5.53e18T + 1.54e37T^{2} \)
61 \( 1 + 7.17e18T + 3.10e37T^{2} \)
67 \( 1 + 1.57e19iT - 2.22e38T^{2} \)
71 \( 1 - 2.64e19T + 7.52e38T^{2} \)
73 \( 1 + 1.34e19iT - 1.34e39T^{2} \)
79 \( 1 - 1.68e19T + 7.08e39T^{2} \)
83 \( 1 - 1.70e20iT - 1.99e40T^{2} \)
89 \( 1 - 3.12e20T + 8.65e40T^{2} \)
97 \( 1 - 9.49e20iT - 5.27e41T^{2} \)
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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

−10.70395271595365656400159869689, −9.540105257839947541989109318210, −9.213803361351557768225144693957, −7.85707229564663456303443403208, −5.55083429288188830203847058749, −4.78787285958715234041296435553, −3.59590640501014609903974231089, −2.90913331024900715429975787473, −1.83237557819244857294713399103, −0.72897532887133491439856541628, 0.29829578101666617833321259049, 1.35881730184474954745301644058, 3.49597279815061322255561467576, 4.57260614924339785961083986405, 5.67961360659597809460663018095, 6.55895443587506111554054254622, 7.36437350569723422554403866589, 8.203183620132552849886121851833, 9.136884268012323542494651105478, 10.31790327359193048529385548741

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