Properties

Label 2-91-13.12-c7-0-15
Degree $2$
Conductor $91$
Sign $-0.0224 - 0.999i$
Analytic cond. $28.4270$
Root an. cond. $5.33170$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5.70i·2-s − 8.30·3-s + 95.3·4-s − 279. i·5-s − 47.4i·6-s + 343i·7-s + 1.27e3i·8-s − 2.11e3·9-s + 1.59e3·10-s + 1.42e3i·11-s − 792.·12-s + (−7.91e3 + 177. i)13-s − 1.95e3·14-s + 2.32e3i·15-s + 4.92e3·16-s + 3.38e4·17-s + ⋯
L(s)  = 1  + 0.504i·2-s − 0.177·3-s + 0.745·4-s − 1.00i·5-s − 0.0896i·6-s + 0.377i·7-s + 0.880i·8-s − 0.968·9-s + 0.504·10-s + 0.323i·11-s − 0.132·12-s + (−0.999 + 0.0224i)13-s − 0.190·14-s + 0.177i·15-s + 0.300·16-s + 1.66·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 91 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.0224 - 0.999i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 91 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.0224 - 0.999i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(91\)    =    \(7 \cdot 13\)
Sign: $-0.0224 - 0.999i$
Analytic conductor: \(28.4270\)
Root analytic conductor: \(5.33170\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{91} (64, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 91,\ (\ :7/2),\ -0.0224 - 0.999i)\)

Particular Values

\(L(4)\) \(\approx\) \(1.30015 + 1.32967i\)
\(L(\frac12)\) \(\approx\) \(1.30015 + 1.32967i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 - 343iT \)
13 \( 1 + (7.91e3 - 177. i)T \)
good2 \( 1 - 5.70iT - 128T^{2} \)
3 \( 1 + 8.30T + 2.18e3T^{2} \)
5 \( 1 + 279. iT - 7.81e4T^{2} \)
11 \( 1 - 1.42e3iT - 1.94e7T^{2} \)
17 \( 1 - 3.38e4T + 4.10e8T^{2} \)
19 \( 1 - 4.73e4iT - 8.93e8T^{2} \)
23 \( 1 - 9.83e4T + 3.40e9T^{2} \)
29 \( 1 + 1.68e5T + 1.72e10T^{2} \)
31 \( 1 - 2.26e5iT - 2.75e10T^{2} \)
37 \( 1 + 3.45e5iT - 9.49e10T^{2} \)
41 \( 1 - 6.67e5iT - 1.94e11T^{2} \)
43 \( 1 - 2.95e5T + 2.71e11T^{2} \)
47 \( 1 - 7.34e5iT - 5.06e11T^{2} \)
53 \( 1 - 2.42e5T + 1.17e12T^{2} \)
59 \( 1 - 8.86e4iT - 2.48e12T^{2} \)
61 \( 1 + 1.03e6T + 3.14e12T^{2} \)
67 \( 1 - 1.37e6iT - 6.06e12T^{2} \)
71 \( 1 - 7.26e5iT - 9.09e12T^{2} \)
73 \( 1 + 5.05e5iT - 1.10e13T^{2} \)
79 \( 1 - 2.01e6T + 1.92e13T^{2} \)
83 \( 1 - 4.73e6iT - 2.71e13T^{2} \)
89 \( 1 + 8.61e6iT - 4.42e13T^{2} \)
97 \( 1 - 2.98e5iT - 8.07e13T^{2} \)
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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

−12.55168728237057482687961385866, −12.13437778628336758491866920374, −10.91511102608381811660862606170, −9.510905866055202361201420835924, −8.312878270668923838347944179166, −7.35366604658014477995053340931, −5.78715819827048683794177173044, −5.13775633220311279204856264742, −2.98807189623200908784942363641, −1.36480101812499720051739592169, 0.61779304142186072201014336189, 2.54081504757771573330589317663, 3.31675694115307781214360343334, 5.41498508872509282939844871157, 6.78444916325667082087562788907, 7.56951446552639411447703897889, 9.392853880437185865305762809117, 10.60382634790439193062008109901, 11.21037684520062442851190122102, 12.07770931452306500845973829700

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