Properties

Label 2340.2.y.b
Level $2340$
Weight $2$
Character orbit 2340.y
Analytic conductor $18.685$
Analytic rank $0$
Dimension $24$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2340,2,Mod(53,2340)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2340, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([0, 2, 3, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2340.53");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2340 = 2^{2} \cdot 3^{2} \cdot 5 \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2340.y (of order \(4\), degree \(2\), minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(18.6849940730\)
Analytic rank: \(0\)
Dimension: \(24\)
Relative dimension: \(12\) over \(\Q(i)\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-expansion

The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 24 q + 4 q^{5} - 8 q^{7}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 24 q + 4 q^{5} - 8 q^{7} + 8 q^{17} + 8 q^{23} + 16 q^{25} - 32 q^{29} - 8 q^{35} + 16 q^{37} - 8 q^{43} + 40 q^{47} + 8 q^{53} + 8 q^{55} - 56 q^{59} + 8 q^{61} + 4 q^{65} - 16 q^{67} + 72 q^{77} + 32 q^{83} - 32 q^{85} - 128 q^{89} - 8 q^{91} - 16 q^{95} + 8 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
53.1 0 0 0 −2.15870 + 0.583115i 0 −1.95569 + 1.95569i 0 0 0
53.2 0 0 0 −2.02935 0.939016i 0 −0.932729 + 0.932729i 0 0 0
53.3 0 0 0 −1.41774 1.72916i 0 1.36664 1.36664i 0 0 0
53.4 0 0 0 −1.23903 1.86140i 0 −0.157336 + 0.157336i 0 0 0
53.5 0 0 0 −1.12174 + 1.93434i 0 −2.61067 + 2.61067i 0 0 0
53.6 0 0 0 −0.686017 + 2.12823i 0 0.778541 0.778541i 0 0 0
53.7 0 0 0 1.17829 1.90043i 0 −0.865311 + 0.865311i 0 0 0
53.8 0 0 0 1.25978 + 1.84742i 0 −1.73394 + 1.73394i 0 0 0
53.9 0 0 0 1.80799 1.31574i 0 −0.602482 + 0.602482i 0 0 0
53.10 0 0 0 2.01597 0.967408i 0 3.08512 3.08512i 0 0 0
53.11 0 0 0 2.17472 + 0.520203i 0 −3.20978 + 3.20978i 0 0 0
53.12 0 0 0 2.21583 0.300151i 0 2.83763 2.83763i 0 0 0
1457.1 0 0 0 −2.15870 0.583115i 0 −1.95569 1.95569i 0 0 0
1457.2 0 0 0 −2.02935 + 0.939016i 0 −0.932729 0.932729i 0 0 0
1457.3 0 0 0 −1.41774 + 1.72916i 0 1.36664 + 1.36664i 0 0 0
1457.4 0 0 0 −1.23903 + 1.86140i 0 −0.157336 0.157336i 0 0 0
1457.5 0 0 0 −1.12174 1.93434i 0 −2.61067 2.61067i 0 0 0
1457.6 0 0 0 −0.686017 2.12823i 0 0.778541 + 0.778541i 0 0 0
1457.7 0 0 0 1.17829 + 1.90043i 0 −0.865311 0.865311i 0 0 0
1457.8 0 0 0 1.25978 1.84742i 0 −1.73394 1.73394i 0 0 0
See all 24 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 53.12
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
15.e even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2340.2.y.b yes 24
3.b odd 2 1 2340.2.y.a 24
5.c odd 4 1 2340.2.y.a 24
15.e even 4 1 inner 2340.2.y.b yes 24
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2340.2.y.a 24 3.b odd 2 1
2340.2.y.a 24 5.c odd 4 1
2340.2.y.b yes 24 1.a even 1 1 trivial
2340.2.y.b yes 24 15.e even 4 1 inner