Properties

Label 5760.2.m.a
Level $5760$
Weight $2$
Character orbit 5760.m
Analytic conductor $45.994$
Analytic rank $1$
Dimension $4$
CM no
Inner twists $2$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [5760,2,Mod(2879,5760)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(5760, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1, 1, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("5760.2879");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 5760 = 2^{7} \cdot 3^{2} \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 5760.m (of order \(2\), degree \(1\), 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: \(45.9938315643\)
Analytic rank: \(1\)
Dimension: \(4\)
Coefficient field: \(\Q(\zeta_{8})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\beta_1 - 2) q^{5} + (\beta_{3} - 2) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_1 - 2) q^{5} + (\beta_{3} - 2) q^{7} + ( - 3 \beta_{2} + 2 \beta_1) q^{11} + ( - \beta_{3} - 4) q^{13} + (2 \beta_{3} - 4) q^{17} + (4 \beta_{3} + 2) q^{19} + (2 \beta_{2} + 4 \beta_1) q^{23} + ( - 4 \beta_1 + 3) q^{25} + 4 \beta_{3} q^{29} + (2 \beta_{2} + 4 \beta_1) q^{31} + ( - 2 \beta_{3} + \beta_{2} - 2 \beta_1 + 4) q^{35} + 5 \beta_{3} q^{37} + ( - 3 \beta_{2} + 4 \beta_1) q^{41} + ( - 4 \beta_{2} - 4 \beta_1) q^{43} + (4 \beta_{2} - 2 \beta_1) q^{47} + ( - 4 \beta_{3} - 1) q^{49} - 4 \beta_{2} q^{53} + (3 \beta_{3} + 6 \beta_{2} - 4 \beta_1 - 2) q^{55} + (\beta_{2} + 6 \beta_1) q^{59} + ( - 4 \beta_{2} + 4 \beta_1) q^{61} + (2 \beta_{3} - \beta_{2} - 4 \beta_1 + 8) q^{65} - 4 \beta_1 q^{67} - 12 q^{71} + (4 \beta_{2} + 8 \beta_1) q^{73} + (8 \beta_{2} - 10 \beta_1) q^{77} + ( - 2 \beta_{2} - 12 \beta_1) q^{79} - 8 \beta_{3} q^{83} + ( - 4 \beta_{3} + 2 \beta_{2} + \cdots + 8) q^{85}+ \cdots + ( - 8 \beta_{2} + 4 \beta_1) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 8 q^{5} - 8 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 8 q^{5} - 8 q^{7} - 16 q^{13} - 16 q^{17} + 8 q^{19} + 12 q^{25} + 16 q^{35} - 4 q^{49} - 8 q^{55} + 32 q^{65} - 48 q^{71} + 32 q^{85} + 24 q^{91} - 16 q^{95}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{8}^{2} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \zeta_{8}^{3} + \zeta_{8} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( -\zeta_{8}^{3} + \zeta_{8} \) Copy content Toggle raw display
\(\zeta_{8}\)\(=\) \( ( \beta_{3} + \beta_{2} ) / 2 \) Copy content Toggle raw display
\(\zeta_{8}^{2}\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\zeta_{8}^{3}\)\(=\) \( ( -\beta_{3} + \beta_{2} ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/5760\mathbb{Z}\right)^\times\).

\(n\) \(641\) \(901\) \(2431\) \(3457\)
\(\chi(n)\) \(-1\) \(-1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
2879.1
−0.707107 + 0.707107i
0.707107 0.707107i
−0.707107 0.707107i
0.707107 + 0.707107i
0 0 0 −2.00000 1.00000i 0 −3.41421 0 0 0
2879.2 0 0 0 −2.00000 1.00000i 0 −0.585786 0 0 0
2879.3 0 0 0 −2.00000 + 1.00000i 0 −3.41421 0 0 0
2879.4 0 0 0 −2.00000 + 1.00000i 0 −0.585786 0 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
120.m even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 5760.2.m.a 4
3.b odd 2 1 5760.2.m.q yes 4
4.b odd 2 1 5760.2.m.c yes 4
5.b even 2 1 5760.2.m.d yes 4
8.b even 2 1 5760.2.m.r yes 4
8.d odd 2 1 5760.2.m.t yes 4
12.b even 2 1 5760.2.m.s yes 4
15.d odd 2 1 5760.2.m.t yes 4
20.d odd 2 1 5760.2.m.b yes 4
24.f even 2 1 5760.2.m.d yes 4
24.h odd 2 1 5760.2.m.b yes 4
40.e odd 2 1 5760.2.m.q yes 4
40.f even 2 1 5760.2.m.s yes 4
60.h even 2 1 5760.2.m.r yes 4
120.i odd 2 1 5760.2.m.c yes 4
120.m even 2 1 inner 5760.2.m.a 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
5760.2.m.a 4 1.a even 1 1 trivial
5760.2.m.a 4 120.m even 2 1 inner
5760.2.m.b yes 4 20.d odd 2 1
5760.2.m.b yes 4 24.h odd 2 1
5760.2.m.c yes 4 4.b odd 2 1
5760.2.m.c yes 4 120.i odd 2 1
5760.2.m.d yes 4 5.b even 2 1
5760.2.m.d yes 4 24.f even 2 1
5760.2.m.q yes 4 3.b odd 2 1
5760.2.m.q yes 4 40.e odd 2 1
5760.2.m.r yes 4 8.b even 2 1
5760.2.m.r yes 4 60.h even 2 1
5760.2.m.s yes 4 12.b even 2 1
5760.2.m.s yes 4 40.f even 2 1
5760.2.m.t yes 4 8.d odd 2 1
5760.2.m.t yes 4 15.d odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(5760, [\chi])\):

\( T_{7}^{2} + 4T_{7} + 2 \) Copy content Toggle raw display
\( T_{13}^{2} + 8T_{13} + 14 \) Copy content Toggle raw display
\( T_{17}^{2} + 8T_{17} + 8 \) Copy content Toggle raw display
\( T_{37}^{2} - 50 \) Copy content Toggle raw display
\( T_{71} + 12 \) Copy content Toggle raw display
\( T_{101}^{2} - 8T_{101} - 16 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( (T^{2} + 4 T + 5)^{2} \) Copy content Toggle raw display
$7$ \( (T^{2} + 4 T + 2)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} + 44T^{2} + 196 \) Copy content Toggle raw display
$13$ \( (T^{2} + 8 T + 14)^{2} \) Copy content Toggle raw display
$17$ \( (T^{2} + 8 T + 8)^{2} \) Copy content Toggle raw display
$19$ \( (T^{2} - 4 T - 28)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} + 48T^{2} + 64 \) Copy content Toggle raw display
$29$ \( (T^{2} - 32)^{2} \) Copy content Toggle raw display
$31$ \( T^{4} + 48T^{2} + 64 \) Copy content Toggle raw display
$37$ \( (T^{2} - 50)^{2} \) Copy content Toggle raw display
$41$ \( T^{4} + 68T^{2} + 4 \) Copy content Toggle raw display
$43$ \( T^{4} + 96T^{2} + 256 \) Copy content Toggle raw display
$47$ \( T^{4} + 72T^{2} + 784 \) Copy content Toggle raw display
$53$ \( (T^{2} + 32)^{2} \) Copy content Toggle raw display
$59$ \( T^{4} + 76T^{2} + 1156 \) Copy content Toggle raw display
$61$ \( T^{4} + 96T^{2} + 256 \) Copy content Toggle raw display
$67$ \( (T^{2} + 16)^{2} \) Copy content Toggle raw display
$71$ \( (T + 12)^{4} \) Copy content Toggle raw display
$73$ \( T^{4} + 192T^{2} + 1024 \) Copy content Toggle raw display
$79$ \( T^{4} + 304 T^{2} + 18496 \) Copy content Toggle raw display
$83$ \( (T^{2} - 128)^{2} \) Copy content Toggle raw display
$89$ \( T^{4} + 68T^{2} + 4 \) Copy content Toggle raw display
$97$ \( T^{4} + 288 T^{2} + 12544 \) Copy content Toggle raw display
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