Properties

Label 2-13-13.4-c13-0-4
Degree $2$
Conductor $13$
Sign $0.888 + 0.459i$
Analytic cond. $13.9400$
Root an. cond. $3.73363$
Motivic weight $13$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−103. − 60.0i)2-s + (−41.2 + 71.4i)3-s + (3.10e3 + 5.38e3i)4-s − 2.80e4i·5-s + (8.58e3 − 4.95e3i)6-s + (−3.89e5 + 2.25e5i)7-s + 2.36e5i·8-s + (7.93e5 + 1.37e6i)9-s + (−1.68e6 + 2.91e6i)10-s + (−1.14e6 − 6.59e5i)11-s − 5.13e5·12-s + (−9.19e6 − 1.47e7i)13-s + 5.40e7·14-s + (2.00e6 + 1.15e6i)15-s + (3.96e7 − 6.87e7i)16-s + (4.23e7 + 7.33e7i)17-s + ⋯
L(s)  = 1  + (−1.14 − 0.663i)2-s + (−0.0326 + 0.0566i)3-s + (0.379 + 0.657i)4-s − 0.802i·5-s + (0.0750 − 0.0433i)6-s + (−1.25 + 0.723i)7-s + 0.319i·8-s + (0.497 + 0.862i)9-s + (−0.532 + 0.922i)10-s + (−0.194 − 0.112i)11-s − 0.0496·12-s + (−0.528 − 0.848i)13-s + 1.91·14-s + (0.0454 + 0.0262i)15-s + (0.591 − 1.02i)16-s + (0.425 + 0.736i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 13 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.888 + 0.459i)\, \overline{\Lambda}(14-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 13 ^{s/2} \, \Gamma_{\C}(s+13/2) \, L(s)\cr =\mathstrut & (0.888 + 0.459i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(13\)
Sign: $0.888 + 0.459i$
Analytic conductor: \(13.9400\)
Root analytic conductor: \(3.73363\)
Motivic weight: \(13\)
Rational: no
Arithmetic: yes
Character: $\chi_{13} (4, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 13,\ (\ :13/2),\ 0.888 + 0.459i)\)

Particular Values

\(L(7)\) \(\approx\) \(0.710883 - 0.173036i\)
\(L(\frac12)\) \(\approx\) \(0.710883 - 0.173036i\)
\(L(\frac{15}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad13 \( 1 + (9.19e6 + 1.47e7i)T \)
good2 \( 1 + (103. + 60.0i)T + (4.09e3 + 7.09e3i)T^{2} \)
3 \( 1 + (41.2 - 71.4i)T + (-7.97e5 - 1.38e6i)T^{2} \)
5 \( 1 + 2.80e4iT - 1.22e9T^{2} \)
7 \( 1 + (3.89e5 - 2.25e5i)T + (4.84e10 - 8.39e10i)T^{2} \)
11 \( 1 + (1.14e6 + 6.59e5i)T + (1.72e13 + 2.98e13i)T^{2} \)
17 \( 1 + (-4.23e7 - 7.33e7i)T + (-4.95e15 + 8.57e15i)T^{2} \)
19 \( 1 + (-2.97e8 + 1.72e8i)T + (2.10e16 - 3.64e16i)T^{2} \)
23 \( 1 + (2.75e8 - 4.76e8i)T + (-2.52e17 - 4.36e17i)T^{2} \)
29 \( 1 + (-2.33e9 + 4.04e9i)T + (-5.13e18 - 8.88e18i)T^{2} \)
31 \( 1 - 1.03e9iT - 2.44e19T^{2} \)
37 \( 1 + (-5.72e9 - 3.30e9i)T + (1.21e20 + 2.10e20i)T^{2} \)
41 \( 1 + (6.36e9 + 3.67e9i)T + (4.62e20 + 8.01e20i)T^{2} \)
43 \( 1 + (-2.36e10 - 4.09e10i)T + (-8.59e20 + 1.48e21i)T^{2} \)
47 \( 1 + 1.79e10iT - 5.46e21T^{2} \)
53 \( 1 - 2.47e11T + 2.60e22T^{2} \)
59 \( 1 + (4.21e11 - 2.43e11i)T + (5.24e22 - 9.09e22i)T^{2} \)
61 \( 1 + (-3.09e11 - 5.36e11i)T + (-8.09e22 + 1.40e23i)T^{2} \)
67 \( 1 + (-2.61e11 - 1.50e11i)T + (2.74e23 + 4.74e23i)T^{2} \)
71 \( 1 + (-1.01e12 + 5.86e11i)T + (5.82e23 - 1.00e24i)T^{2} \)
73 \( 1 + 3.22e11iT - 1.67e24T^{2} \)
79 \( 1 - 2.17e12T + 4.66e24T^{2} \)
83 \( 1 - 2.45e12iT - 8.87e24T^{2} \)
89 \( 1 + (-1.56e12 - 9.05e11i)T + (1.09e25 + 1.90e25i)T^{2} \)
97 \( 1 + (-8.29e12 + 4.78e12i)T + (3.36e25 - 5.82e25i)T^{2} \)
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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

−16.70868893547744729223241884310, −15.64954756802078515801539511045, −13.27384978807163463868247198533, −12.03536357607098248173070823388, −10.25518030296161135035303640933, −9.327072768103308650498098164320, −7.891393660036914260836553482194, −5.37287423821611883577211311816, −2.68565271935278808403677685351, −0.854147546392410486555744297318, 0.67913992438794199280303814753, 3.46955126323951228935373301558, 6.61124524374155665682837541754, 7.30352780958278873373484953064, 9.428636397997600990893709411923, 10.20736680447163468365802302814, 12.40646006380367934921188812622, 14.22373714595091515312189162481, 15.85696828757588481448477228950, 16.67817611044245341915964724407

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