Properties

Label 720.6.f.h
Level $720$
Weight $6$
Character orbit 720.f
Analytic conductor $115.476$
Analytic rank $0$
Dimension $4$
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] = [720,6,Mod(289,720)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(720, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 1]))
 
N = Newforms(chi, 6, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("720.289");
 
S:= CuspForms(chi, 6);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 720 = 2^{4} \cdot 3^{2} \cdot 5 \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 720.f (of order \(2\), degree \(1\), not 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: \(115.476350265\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(i, \sqrt{89})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 45x^{2} + 484 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2^{4}\cdot 3^{4} \)
Twist minimal: no (minimal twist has level 15)
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.

\(f(q)\) \(=\) \( q + (5 \beta_1 - 30) q^{5} + (3 \beta_{2} - 12 \beta_1) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + (5 \beta_1 - 30) q^{5} + (3 \beta_{2} - 12 \beta_1) q^{7} + (3 \beta_{3} + 84) q^{11} + (36 \beta_{2} + 42 \beta_1) q^{13} + (16 \beta_{2} + 70 \beta_1) q^{17} + ( - 2 \beta_{3} - 668) q^{19} + (164 \beta_{2} + 44 \beta_1) q^{23} + ( - 300 \beta_1 - 1325) q^{25} + ( - 24 \beta_{3} - 1776) q^{29} + (4 \beta_{3} + 5824) q^{31} + (15 \beta_{3} - 90 \beta_{2} + \cdots + 5340) q^{35}+ \cdots + ( - 2376 \beta_{2} - 7800 \beta_1) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 120 q^{5}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 120 q^{5} + 336 q^{11} - 2672 q^{19} - 5300 q^{25} - 7104 q^{29} + 23296 q^{31} + 21360 q^{35} - 3624 q^{41} + 4300 q^{49} - 10080 q^{55} - 114672 q^{59} - 60280 q^{61} - 74760 q^{65} + 34848 q^{71} - 115040 q^{79} - 124600 q^{85} + 273528 q^{89} + 39456 q^{91} + 80160 q^{95}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} + 45x^{2} + 484 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{3} + 67\nu ) / 22 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -9\nu^{3} - 207\nu ) / 11 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( 36\nu^{2} + 810 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{2} + 18\beta_1 ) / 36 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} - 810 ) / 36 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -67\beta_{2} - 414\beta_1 ) / 36 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/720\mathbb{Z}\right)^\times\).

\(n\) \(181\) \(271\) \(577\) \(641\)
\(\chi(n)\) \(1\) \(1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
289.1
5.21699i
4.21699i
4.21699i
5.21699i
0 0 0 −30.0000 47.1699i 0 59.2078i 0 0 0
289.2 0 0 0 −30.0000 47.1699i 0 167.208i 0 0 0
289.3 0 0 0 −30.0000 + 47.1699i 0 167.208i 0 0 0
289.4 0 0 0 −30.0000 + 47.1699i 0 59.2078i 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
5.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 720.6.f.h 4
3.b odd 2 1 240.6.f.c 4
4.b odd 2 1 45.6.b.c 4
5.b even 2 1 inner 720.6.f.h 4
12.b even 2 1 15.6.b.a 4
15.d odd 2 1 240.6.f.c 4
20.d odd 2 1 45.6.b.c 4
20.e even 4 1 225.6.a.i 2
20.e even 4 1 225.6.a.u 2
60.h even 2 1 15.6.b.a 4
60.l odd 4 1 75.6.a.f 2
60.l odd 4 1 75.6.a.j 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
15.6.b.a 4 12.b even 2 1
15.6.b.a 4 60.h even 2 1
45.6.b.c 4 4.b odd 2 1
45.6.b.c 4 20.d odd 2 1
75.6.a.f 2 60.l odd 4 1
75.6.a.j 2 60.l odd 4 1
225.6.a.i 2 20.e even 4 1
225.6.a.u 2 20.e even 4 1
240.6.f.c 4 3.b odd 2 1
240.6.f.c 4 15.d odd 2 1
720.6.f.h 4 1.a even 1 1 trivial
720.6.f.h 4 5.b even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{6}^{\mathrm{new}}(720, [\chi])\):

\( T_{7}^{4} + 31464T_{7}^{2} + 98010000 \) Copy content Toggle raw display
\( T_{11}^{2} - 168T_{11} - 252468 \) 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
$5$ \( (T^{2} + 60 T + 3125)^{2} \) Copy content Toggle raw display
$7$ \( T^{4} + 31464 T^{2} + 98010000 \) Copy content Toggle raw display
$11$ \( (T^{2} - 168 T - 252468)^{2} \) Copy content Toggle raw display
$13$ \( T^{4} + \cdots + 69120616464 \) Copy content Toggle raw display
$17$ \( T^{4} + \cdots + 124719160336 \) Copy content Toggle raw display
$19$ \( (T^{2} + 1336 T + 330880)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} + \cdots + 72965764000000 \) Copy content Toggle raw display
$29$ \( (T^{2} + 3552 T - 13455360)^{2} \) Copy content Toggle raw display
$31$ \( (T^{2} - 11648 T + 33457600)^{2} \) Copy content Toggle raw display
$37$ \( T^{4} + \cdots + 25\!\cdots\!00 \) Copy content Toggle raw display
$41$ \( (T^{2} + 1812 T - 202645980)^{2} \) Copy content Toggle raw display
$43$ \( T^{4} + \cdots + 670943443435776 \) Copy content Toggle raw display
$47$ \( T^{4} + \cdots + 11\!\cdots\!16 \) Copy content Toggle raw display
$53$ \( T^{4} + \cdots + 10\!\cdots\!00 \) Copy content Toggle raw display
$59$ \( (T^{2} + 57336 T + 572451660)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} + 30140 T + 3798916)^{2} \) Copy content Toggle raw display
$67$ \( T^{4} + \cdots + 20\!\cdots\!96 \) Copy content Toggle raw display
$71$ \( (T^{2} - 17424 T - 157672656)^{2} \) Copy content Toggle raw display
$73$ \( T^{4} + \cdots + 120354942009600 \) Copy content Toggle raw display
$79$ \( (T^{2} + 57520 T - 1122176000)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} + \cdots + 11\!\cdots\!24 \) Copy content Toggle raw display
$89$ \( (T^{2} - 136764 T + 4173659460)^{2} \) Copy content Toggle raw display
$97$ \( T^{4} + \cdots + 12\!\cdots\!76 \) Copy content Toggle raw display
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