Properties

Label 2-13-13.2-c4-0-1
Degree $2$
Conductor $13$
Sign $0.925 - 0.379i$
Analytic cond. $1.34380$
Root an. cond. $1.15922$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + (2.38 + 0.639i)2-s + (4.25 + 7.37i)3-s + (−8.57 − 4.94i)4-s + (16.9 − 16.9i)5-s + (5.44 + 20.3i)6-s + (−50.2 + 13.4i)7-s + (−45.2 − 45.2i)8-s + (4.25 − 7.36i)9-s + (51.3 − 29.6i)10-s + (−23.3 + 87.2i)11-s − 84.2i·12-s + (136. + 99.8i)13-s − 128.·14-s + (197. + 52.9i)15-s + (0.133 + 0.231i)16-s + (218. + 126. i)17-s + ⋯
L(s)  = 1  + (0.596 + 0.159i)2-s + (0.473 + 0.819i)3-s + (−0.535 − 0.309i)4-s + (0.678 − 0.678i)5-s + (0.151 + 0.564i)6-s + (−1.02 + 0.274i)7-s + (−0.706 − 0.706i)8-s + (0.0525 − 0.0909i)9-s + (0.513 − 0.296i)10-s + (−0.193 + 0.721i)11-s − 0.585i·12-s + (0.806 + 0.591i)13-s − 0.655·14-s + (0.877 + 0.235i)15-s + (0.000523 + 0.000906i)16-s + (0.755 + 0.436i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 13 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.925 - 0.379i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 13 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (0.925 - 0.379i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(13\)
Sign: $0.925 - 0.379i$
Analytic conductor: \(1.34380\)
Root analytic conductor: \(1.15922\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{13} (2, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 13,\ (\ :2),\ 0.925 - 0.379i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(1.43228 + 0.282135i\)
\(L(\frac12)\) \(\approx\) \(1.43228 + 0.282135i\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad13 \( 1 + (-136. - 99.8i)T \)
good2 \( 1 + (-2.38 - 0.639i)T + (13.8 + 8i)T^{2} \)
3 \( 1 + (-4.25 - 7.37i)T + (-40.5 + 70.1i)T^{2} \)
5 \( 1 + (-16.9 + 16.9i)T - 625iT^{2} \)
7 \( 1 + (50.2 - 13.4i)T + (2.07e3 - 1.20e3i)T^{2} \)
11 \( 1 + (23.3 - 87.2i)T + (-1.26e4 - 7.32e3i)T^{2} \)
17 \( 1 + (-218. - 126. i)T + (4.17e4 + 7.23e4i)T^{2} \)
19 \( 1 + (91.9 + 343. i)T + (-1.12e5 + 6.51e4i)T^{2} \)
23 \( 1 + (735. - 424. i)T + (1.39e5 - 2.42e5i)T^{2} \)
29 \( 1 + (443. + 768. i)T + (-3.53e5 + 6.12e5i)T^{2} \)
31 \( 1 + (-407. + 407. i)T - 9.23e5iT^{2} \)
37 \( 1 + (-687. + 2.56e3i)T + (-1.62e6 - 9.37e5i)T^{2} \)
41 \( 1 + (750. + 201. i)T + (2.44e6 + 1.41e6i)T^{2} \)
43 \( 1 + (-2.10e3 - 1.21e3i)T + (1.70e6 + 2.96e6i)T^{2} \)
47 \( 1 + (858. + 858. i)T + 4.87e6iT^{2} \)
53 \( 1 - 39.2T + 7.89e6T^{2} \)
59 \( 1 + (-1.14e3 + 306. i)T + (1.04e7 - 6.05e6i)T^{2} \)
61 \( 1 + (2.41e3 - 4.17e3i)T + (-6.92e6 - 1.19e7i)T^{2} \)
67 \( 1 + (3.51e3 + 943. i)T + (1.74e7 + 1.00e7i)T^{2} \)
71 \( 1 + (165. + 616. i)T + (-2.20e7 + 1.27e7i)T^{2} \)
73 \( 1 + (-1.00e3 - 1.00e3i)T + 2.83e7iT^{2} \)
79 \( 1 - 3.69e3T + 3.89e7T^{2} \)
83 \( 1 + (3.62e3 - 3.62e3i)T - 4.74e7iT^{2} \)
89 \( 1 + (770. - 2.87e3i)T + (-5.43e7 - 3.13e7i)T^{2} \)
97 \( 1 + (-28.3 - 105. i)T + (-7.66e7 + 4.42e7i)T^{2} \)
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

−19.41263946105138196910142955250, −17.87958924268940985090939379778, −16.13380729086723131707023051647, −15.11503513810224694817742772271, −13.67289451048301845053457948527, −12.62508852800930288508717967732, −9.807821865825716835253243506171, −9.193004068888824594543117900167, −5.91852614200448930082295604907, −4.05125981497417476349102787578, 3.13524797595248404695666079104, 6.16269949777354512179855304742, 8.197661304356482273539222299240, 10.20989237222476957460907444540, 12.49817903215799582521311872492, 13.54166518722480980676938714998, 14.21952740129029701607126246856, 16.39636441627047616071940318699, 18.19688169879828461564933799097, 18.81947914922791570393112100725

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