Properties

Label 2-7e2-1.1-c25-0-26
Degree $2$
Conductor $49$
Sign $-1$
Analytic cond. $194.038$
Root an. cond. $13.9297$
Motivic weight $25$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 4.92e3·2-s − 1.40e6·3-s − 9.31e6·4-s − 7.35e8·5-s − 6.93e9·6-s − 2.11e11·8-s + 1.13e12·9-s − 3.61e12·10-s − 1.13e13·11-s + 1.31e13·12-s − 1.01e14·13-s + 1.03e15·15-s − 7.26e14·16-s − 2.51e15·17-s + 5.59e15·18-s + 6.23e15·19-s + 6.84e15·20-s − 5.58e16·22-s + 1.46e17·23-s + 2.97e17·24-s + 2.42e17·25-s − 5.02e17·26-s − 4.07e17·27-s − 2.07e18·29-s + 5.09e18·30-s − 2.66e18·31-s + 3.50e18·32-s + ⋯
L(s)  = 1  + 0.850·2-s − 1.53·3-s − 0.277·4-s − 1.34·5-s − 1.30·6-s − 1.08·8-s + 1.34·9-s − 1.14·10-s − 1.08·11-s + 0.424·12-s − 1.21·13-s + 2.06·15-s − 0.645·16-s − 1.04·17-s + 1.14·18-s + 0.646·19-s + 0.373·20-s − 0.925·22-s + 1.39·23-s + 1.66·24-s + 0.812·25-s − 1.03·26-s − 0.522·27-s − 1.08·29-s + 1.75·30-s − 0.607·31-s + 0.537·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(26-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s+25/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(49\)    =    \(7^{2}\)
Sign: $-1$
Analytic conductor: \(194.038\)
Root analytic conductor: \(13.9297\)
Motivic weight: \(25\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 49,\ (\ :25/2),\ -1)\)

Particular Values

\(L(13)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{27}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
good2 \( 1 - 4.92e3T + 3.35e7T^{2} \)
3 \( 1 + 1.40e6T + 8.47e11T^{2} \)
5 \( 1 + 7.35e8T + 2.98e17T^{2} \)
11 \( 1 + 1.13e13T + 1.08e26T^{2} \)
13 \( 1 + 1.01e14T + 7.05e27T^{2} \)
17 \( 1 + 2.51e15T + 5.77e30T^{2} \)
19 \( 1 - 6.23e15T + 9.30e31T^{2} \)
23 \( 1 - 1.46e17T + 1.10e34T^{2} \)
29 \( 1 + 2.07e18T + 3.63e36T^{2} \)
31 \( 1 + 2.66e18T + 1.92e37T^{2} \)
37 \( 1 - 3.73e19T + 1.60e39T^{2} \)
41 \( 1 - 3.19e19T + 2.08e40T^{2} \)
43 \( 1 - 4.31e20T + 6.86e40T^{2} \)
47 \( 1 + 1.31e21T + 6.34e41T^{2} \)
53 \( 1 + 1.15e20T + 1.27e43T^{2} \)
59 \( 1 - 1.26e22T + 1.86e44T^{2} \)
61 \( 1 - 1.77e21T + 4.29e44T^{2} \)
67 \( 1 - 2.66e22T + 4.48e45T^{2} \)
71 \( 1 - 8.63e22T + 1.91e46T^{2} \)
73 \( 1 + 3.34e22T + 3.82e46T^{2} \)
79 \( 1 - 8.12e23T + 2.75e47T^{2} \)
83 \( 1 - 1.15e24T + 9.48e47T^{2} \)
89 \( 1 + 4.18e24T + 5.42e48T^{2} \)
97 \( 1 + 1.72e24T + 4.66e49T^{2} \)
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

−10.92623489835684430470316544293, −9.400791269367964516656122584377, −7.79832109514830920719144164361, −6.81040328870903613769004718858, −5.41619647969600989529025119094, −4.89986855827313568467780488206, −4.00935063996153409089639141603, −2.71429407748417672573776960656, −0.61020539656947531901146300501, 0, 0.61020539656947531901146300501, 2.71429407748417672573776960656, 4.00935063996153409089639141603, 4.89986855827313568467780488206, 5.41619647969600989529025119094, 6.81040328870903613769004718858, 7.79832109514830920719144164361, 9.400791269367964516656122584377, 10.92623489835684430470316544293

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