Properties

Label 2-155-31.9-c1-0-4
Degree $2$
Conductor $155$
Sign $0.622 - 0.782i$
Analytic cond. $1.23768$
Root an. cond. $1.11251$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + (−0.132 + 0.407i)2-s + (1.24 + 0.265i)3-s + (1.46 + 1.06i)4-s + (0.5 + 0.866i)5-s + (−0.273 + 0.473i)6-s + (−2.12 + 0.944i)7-s + (−1.32 + 0.960i)8-s + (−1.25 − 0.557i)9-s + (−0.419 + 0.0890i)10-s + (0.574 − 5.46i)11-s + (1.55 + 1.72i)12-s + (1.15 − 1.28i)13-s + (−0.104 − 0.989i)14-s + (0.394 + 1.21i)15-s + (0.906 + 2.78i)16-s + (0.248 + 2.36i)17-s + ⋯
L(s)  = 1  + (−0.0936 + 0.288i)2-s + (0.720 + 0.153i)3-s + (0.734 + 0.533i)4-s + (0.223 + 0.387i)5-s + (−0.111 + 0.193i)6-s + (−0.802 + 0.357i)7-s + (−0.467 + 0.339i)8-s + (−0.417 − 0.185i)9-s + (−0.132 + 0.0281i)10-s + (0.173 − 1.64i)11-s + (0.447 + 0.497i)12-s + (0.321 − 0.356i)13-s + (−0.0277 − 0.264i)14-s + (0.101 + 0.313i)15-s + (0.226 + 0.697i)16-s + (0.0602 + 0.573i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 155 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.622 - 0.782i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 155 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.622 - 0.782i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(155\)    =    \(5 \cdot 31\)
Sign: $0.622 - 0.782i$
Analytic conductor: \(1.23768\)
Root analytic conductor: \(1.11251\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{155} (71, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 155,\ (\ :1/2),\ 0.622 - 0.782i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.27461 + 0.614725i\)
\(L(\frac12)\) \(\approx\) \(1.27461 + 0.614725i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 + (-0.5 - 0.866i)T \)
31 \( 1 + (-5.50 - 0.811i)T \)
good2 \( 1 + (0.132 - 0.407i)T + (-1.61 - 1.17i)T^{2} \)
3 \( 1 + (-1.24 - 0.265i)T + (2.74 + 1.22i)T^{2} \)
7 \( 1 + (2.12 - 0.944i)T + (4.68 - 5.20i)T^{2} \)
11 \( 1 + (-0.574 + 5.46i)T + (-10.7 - 2.28i)T^{2} \)
13 \( 1 + (-1.15 + 1.28i)T + (-1.35 - 12.9i)T^{2} \)
17 \( 1 + (-0.248 - 2.36i)T + (-16.6 + 3.53i)T^{2} \)
19 \( 1 + (-0.0615 - 0.0683i)T + (-1.98 + 18.8i)T^{2} \)
23 \( 1 + (-2.64 + 1.92i)T + (7.10 - 21.8i)T^{2} \)
29 \( 1 + (-2.98 + 9.17i)T + (-23.4 - 17.0i)T^{2} \)
37 \( 1 + (5.51 - 9.54i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + (5.14 - 1.09i)T + (37.4 - 16.6i)T^{2} \)
43 \( 1 + (3.49 + 3.88i)T + (-4.49 + 42.7i)T^{2} \)
47 \( 1 + (-0.795 - 2.44i)T + (-38.0 + 27.6i)T^{2} \)
53 \( 1 + (3.55 + 1.58i)T + (35.4 + 39.3i)T^{2} \)
59 \( 1 + (6.13 + 1.30i)T + (53.8 + 23.9i)T^{2} \)
61 \( 1 + 0.530T + 61T^{2} \)
67 \( 1 + (-4.91 - 8.50i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + (-0.689 - 0.306i)T + (47.5 + 52.7i)T^{2} \)
73 \( 1 + (0.505 - 4.80i)T + (-71.4 - 15.1i)T^{2} \)
79 \( 1 + (-0.0774 - 0.737i)T + (-77.2 + 16.4i)T^{2} \)
83 \( 1 + (5.69 - 1.20i)T + (75.8 - 33.7i)T^{2} \)
89 \( 1 + (-13.8 - 10.0i)T + (27.5 + 84.6i)T^{2} \)
97 \( 1 + (12.7 + 9.23i)T + (29.9 + 92.2i)T^{2} \)
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

−13.29232483268282388334957741785, −12.01385038355205357204516505688, −11.16651151703657996558015378415, −9.979976681610086422712535190886, −8.614878374543599800575901907319, −8.208728797257755842374526154846, −6.52369520152665799053972061023, −5.96496064032838217175103745830, −3.42704516925171875965907137637, −2.81193819027303444900677405814, 1.84256320730188505571853292105, 3.21657813993786164675320745332, 5.05809859586940929031062395367, 6.59009737667803932733891927059, 7.39876115998899946854590815559, 8.977819944848353201778272699840, 9.704734292851705829844544726027, 10.65849883658477392606923348404, 11.90535532098010773271485285869, 12.75731116175310947841475314487

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