Properties

Label 2-87-1.1-c1-0-3
Degree $2$
Conductor $87$
Sign $1$
Analytic cond. $0.694698$
Root an. cond. $0.833485$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 2.47·2-s − 3-s + 4.11·4-s − 4.22·5-s − 2.47·6-s + 1.64·7-s + 5.22·8-s + 9-s − 10.4·10-s − 2.35·11-s − 4.11·12-s − 2.58·13-s + 4.06·14-s + 4.22·15-s + 4.70·16-s + 5.87·17-s + 2.47·18-s + 2.94·19-s − 17.4·20-s − 1.64·21-s − 5.83·22-s − 2.22·23-s − 5.22·24-s + 12.8·25-s − 6.39·26-s − 27-s + 6.75·28-s + ⋯
L(s)  = 1  + 1.74·2-s − 0.577·3-s + 2.05·4-s − 1.89·5-s − 1.00·6-s + 0.620·7-s + 1.84·8-s + 0.333·9-s − 3.30·10-s − 0.710·11-s − 1.18·12-s − 0.717·13-s + 1.08·14-s + 1.09·15-s + 1.17·16-s + 1.42·17-s + 0.582·18-s + 0.675·19-s − 3.89·20-s − 0.358·21-s − 1.24·22-s − 0.464·23-s − 1.06·24-s + 2.57·25-s − 1.25·26-s − 0.192·27-s + 1.27·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 87 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 87 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(87\)    =    \(3 \cdot 29\)
Sign: $1$
Analytic conductor: \(0.694698\)
Root analytic conductor: \(0.833485\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 87,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.648193356\)
\(L(\frac12)\) \(\approx\) \(1.648193356\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
29 \( 1 - T \)
good2 \( 1 - 2.47T + 2T^{2} \)
5 \( 1 + 4.22T + 5T^{2} \)
7 \( 1 - 1.64T + 7T^{2} \)
11 \( 1 + 2.35T + 11T^{2} \)
13 \( 1 + 2.58T + 13T^{2} \)
17 \( 1 - 5.87T + 17T^{2} \)
19 \( 1 - 2.94T + 19T^{2} \)
23 \( 1 + 2.22T + 23T^{2} \)
31 \( 1 + 2.22T + 31T^{2} \)
37 \( 1 + 0.945T + 37T^{2} \)
41 \( 1 - 0.568T + 41T^{2} \)
43 \( 1 + 2.56T + 43T^{2} \)
47 \( 1 + 4.92T + 47T^{2} \)
53 \( 1 - 14.1T + 53T^{2} \)
59 \( 1 + 7.28T + 59T^{2} \)
61 \( 1 - 4.94T + 61T^{2} \)
67 \( 1 - 0.926T + 67T^{2} \)
71 \( 1 + 16.1T + 71T^{2} \)
73 \( 1 - 0.945T + 73T^{2} \)
79 \( 1 + 5.51T + 79T^{2} \)
83 \( 1 - 5.17T + 83T^{2} \)
89 \( 1 - 8.47T + 89T^{2} \)
97 \( 1 + 1.66T + 97T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−14.37238333998942639646352004116, −12.91716162531684899506489271394, −11.93819997665332638897588759917, −11.70003529826021811099898227533, −10.51410641162841244031060632683, −7.922820677970911516553643364350, −7.18437778548053477104543419734, −5.42430910976235794358093330333, −4.52961583187061814094193334521, −3.30630143514452427642507298744, 3.30630143514452427642507298744, 4.52961583187061814094193334521, 5.42430910976235794358093330333, 7.18437778548053477104543419734, 7.922820677970911516553643364350, 10.51410641162841244031060632683, 11.70003529826021811099898227533, 11.93819997665332638897588759917, 12.91716162531684899506489271394, 14.37238333998942639646352004116

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