Properties

Label 720.4.a.u
Level $720$
Weight $4$
Character orbit 720.a
Self dual yes
Analytic conductor $42.481$
Analytic rank $1$
Dimension $1$
CM no
Inner twists $1$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [720,4,Mod(1,720)]
 
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, 0]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("720.1");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 720 = 2^{4} \cdot 3^{2} \cdot 5 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 720.a (trivial)

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: yes
Analytic conductor: \(42.4813752041\)
Analytic rank: \(1\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 5)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q + 5 q^{5} - 6 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + 5 q^{5} - 6 q^{7} + 32 q^{11} - 38 q^{13} - 26 q^{17} - 100 q^{19} - 78 q^{23} + 25 q^{25} + 50 q^{29} + 108 q^{31} - 30 q^{35} + 266 q^{37} - 22 q^{41} - 442 q^{43} - 514 q^{47} - 307 q^{49} - 2 q^{53} + 160 q^{55} + 500 q^{59} - 518 q^{61} - 190 q^{65} - 126 q^{67} + 412 q^{71} - 878 q^{73} - 192 q^{77} - 600 q^{79} + 282 q^{83} - 130 q^{85} + 150 q^{89} + 228 q^{91} - 500 q^{95} + 386 q^{97}+O(q^{100}) \) 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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
0
0 0 0 5.00000 0 −6.00000 0 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(3\) \(-1\)
\(5\) \(-1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 720.4.a.u 1
3.b odd 2 1 80.4.a.d 1
4.b odd 2 1 45.4.a.d 1
12.b even 2 1 5.4.a.a 1
15.d odd 2 1 400.4.a.m 1
15.e even 4 2 400.4.c.k 2
20.d odd 2 1 225.4.a.b 1
20.e even 4 2 225.4.b.c 2
24.f even 2 1 320.4.a.g 1
24.h odd 2 1 320.4.a.h 1
28.d even 2 1 2205.4.a.q 1
36.f odd 6 2 405.4.e.c 2
36.h even 6 2 405.4.e.l 2
48.i odd 4 2 1280.4.d.l 2
48.k even 4 2 1280.4.d.e 2
60.h even 2 1 25.4.a.c 1
60.l odd 4 2 25.4.b.a 2
84.h odd 2 1 245.4.a.a 1
84.j odd 6 2 245.4.e.g 2
84.n even 6 2 245.4.e.f 2
120.i odd 2 1 1600.4.a.s 1
120.m even 2 1 1600.4.a.bi 1
132.d odd 2 1 605.4.a.d 1
156.h even 2 1 845.4.a.b 1
204.h even 2 1 1445.4.a.a 1
228.b odd 2 1 1805.4.a.h 1
420.o odd 2 1 1225.4.a.k 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
5.4.a.a 1 12.b even 2 1
25.4.a.c 1 60.h even 2 1
25.4.b.a 2 60.l odd 4 2
45.4.a.d 1 4.b odd 2 1
80.4.a.d 1 3.b odd 2 1
225.4.a.b 1 20.d odd 2 1
225.4.b.c 2 20.e even 4 2
245.4.a.a 1 84.h odd 2 1
245.4.e.f 2 84.n even 6 2
245.4.e.g 2 84.j odd 6 2
320.4.a.g 1 24.f even 2 1
320.4.a.h 1 24.h odd 2 1
400.4.a.m 1 15.d odd 2 1
400.4.c.k 2 15.e even 4 2
405.4.e.c 2 36.f odd 6 2
405.4.e.l 2 36.h even 6 2
605.4.a.d 1 132.d odd 2 1
720.4.a.u 1 1.a even 1 1 trivial
845.4.a.b 1 156.h even 2 1
1225.4.a.k 1 420.o odd 2 1
1280.4.d.e 2 48.k even 4 2
1280.4.d.l 2 48.i odd 4 2
1445.4.a.a 1 204.h even 2 1
1600.4.a.s 1 120.i odd 2 1
1600.4.a.bi 1 120.m even 2 1
1805.4.a.h 1 228.b odd 2 1
2205.4.a.q 1 28.d even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(720))\):

\( T_{7} + 6 \) Copy content Toggle raw display
\( T_{11} - 32 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T \) Copy content Toggle raw display
$3$ \( T \) Copy content Toggle raw display
$5$ \( T - 5 \) Copy content Toggle raw display
$7$ \( T + 6 \) Copy content Toggle raw display
$11$ \( T - 32 \) Copy content Toggle raw display
$13$ \( T + 38 \) Copy content Toggle raw display
$17$ \( T + 26 \) Copy content Toggle raw display
$19$ \( T + 100 \) Copy content Toggle raw display
$23$ \( T + 78 \) Copy content Toggle raw display
$29$ \( T - 50 \) Copy content Toggle raw display
$31$ \( T - 108 \) Copy content Toggle raw display
$37$ \( T - 266 \) Copy content Toggle raw display
$41$ \( T + 22 \) Copy content Toggle raw display
$43$ \( T + 442 \) Copy content Toggle raw display
$47$ \( T + 514 \) Copy content Toggle raw display
$53$ \( T + 2 \) Copy content Toggle raw display
$59$ \( T - 500 \) Copy content Toggle raw display
$61$ \( T + 518 \) Copy content Toggle raw display
$67$ \( T + 126 \) Copy content Toggle raw display
$71$ \( T - 412 \) Copy content Toggle raw display
$73$ \( T + 878 \) Copy content Toggle raw display
$79$ \( T + 600 \) Copy content Toggle raw display
$83$ \( T - 282 \) Copy content Toggle raw display
$89$ \( T - 150 \) Copy content Toggle raw display
$97$ \( T - 386 \) Copy content Toggle raw display
show more
show less