Properties

Label 1440.4.a.y
Level $1440$
Weight $4$
Character orbit 1440.a
Self dual yes
Analytic conductor $84.963$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $1$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1440,4,Mod(1,1440)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1440, 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("1440.1");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1440 = 2^{5} \cdot 3^{2} \cdot 5 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 1440.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: \(84.9627504083\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{89}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x - 22 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: no (minimal twist has level 480)
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)
 

Coefficients of the \(q\)-expansion are expressed in terms of \(\beta = 2\sqrt{89}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - 5 q^{5} + (\beta + 6) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - 5 q^{5} + (\beta + 6) q^{7} + (2 \beta - 12) q^{11} + (3 \beta + 4) q^{13} + (3 \beta - 28) q^{17} + (3 \beta + 30) q^{19} + (5 \beta - 42) q^{23} + 25 q^{25} - 6 q^{29} + (\beta + 66) q^{31} + ( - 5 \beta - 30) q^{35} + ( - 21 \beta - 52) q^{37} + ( - 6 \beta - 70) q^{41} + 252 q^{43} + (7 \beta - 174) q^{47} + (12 \beta + 49) q^{49} + ( - 6 \beta + 342) q^{53} + ( - 10 \beta + 60) q^{55} + (14 \beta - 444) q^{59} + (30 \beta - 86) q^{61} + ( - 15 \beta - 20) q^{65} + (4 \beta + 780) q^{67} + ( - 32 \beta - 72) q^{71} + ( - 18 \beta - 282) q^{73} + 640 q^{77} + ( - 25 \beta - 42) q^{79} + ( - 28 \beta - 756) q^{83} + ( - 15 \beta + 140) q^{85} + (54 \beta - 14) q^{89} + (22 \beta + 1092) q^{91} + ( - 15 \beta - 150) q^{95} + (12 \beta + 74) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 10 q^{5} + 12 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - 10 q^{5} + 12 q^{7} - 24 q^{11} + 8 q^{13} - 56 q^{17} + 60 q^{19} - 84 q^{23} + 50 q^{25} - 12 q^{29} + 132 q^{31} - 60 q^{35} - 104 q^{37} - 140 q^{41} + 504 q^{43} - 348 q^{47} + 98 q^{49} + 684 q^{53} + 120 q^{55} - 888 q^{59} - 172 q^{61} - 40 q^{65} + 1560 q^{67} - 144 q^{71} - 564 q^{73} + 1280 q^{77} - 84 q^{79} - 1512 q^{83} + 280 q^{85} - 28 q^{89} + 2184 q^{91} - 300 q^{95} + 148 q^{97}+O(q^{100}) \) 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
−4.21699
5.21699
0 0 0 −5.00000 0 −12.8680 0 0 0
1.2 0 0 0 −5.00000 0 24.8680 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 1440.4.a.y 2
3.b odd 2 1 480.4.a.r yes 2
4.b odd 2 1 1440.4.a.s 2
12.b even 2 1 480.4.a.o 2
15.d odd 2 1 2400.4.a.y 2
24.f even 2 1 960.4.a.bn 2
24.h odd 2 1 960.4.a.bk 2
60.h even 2 1 2400.4.a.bb 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
480.4.a.o 2 12.b even 2 1
480.4.a.r yes 2 3.b odd 2 1
960.4.a.bk 2 24.h odd 2 1
960.4.a.bn 2 24.f even 2 1
1440.4.a.s 2 4.b odd 2 1
1440.4.a.y 2 1.a even 1 1 trivial
2400.4.a.y 2 15.d odd 2 1
2400.4.a.bb 2 60.h even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(1440))\):

\( T_{7}^{2} - 12T_{7} - 320 \) Copy content Toggle raw display
\( T_{11}^{2} + 24T_{11} - 1280 \) Copy content Toggle raw display
\( T_{17}^{2} + 56T_{17} - 2420 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \) Copy content Toggle raw display
$3$ \( T^{2} \) Copy content Toggle raw display
$5$ \( (T + 5)^{2} \) Copy content Toggle raw display
$7$ \( T^{2} - 12T - 320 \) Copy content Toggle raw display
$11$ \( T^{2} + 24T - 1280 \) Copy content Toggle raw display
$13$ \( T^{2} - 8T - 3188 \) Copy content Toggle raw display
$17$ \( T^{2} + 56T - 2420 \) Copy content Toggle raw display
$19$ \( T^{2} - 60T - 2304 \) Copy content Toggle raw display
$23$ \( T^{2} + 84T - 7136 \) Copy content Toggle raw display
$29$ \( (T + 6)^{2} \) Copy content Toggle raw display
$31$ \( T^{2} - 132T + 4000 \) Copy content Toggle raw display
$37$ \( T^{2} + 104T - 154292 \) Copy content Toggle raw display
$41$ \( T^{2} + 140T - 7916 \) Copy content Toggle raw display
$43$ \( (T - 252)^{2} \) Copy content Toggle raw display
$47$ \( T^{2} + 348T + 12832 \) Copy content Toggle raw display
$53$ \( T^{2} - 684T + 104148 \) Copy content Toggle raw display
$59$ \( T^{2} + 888T + 127360 \) Copy content Toggle raw display
$61$ \( T^{2} + 172T - 313004 \) Copy content Toggle raw display
$67$ \( T^{2} - 1560 T + 602704 \) Copy content Toggle raw display
$71$ \( T^{2} + 144T - 359360 \) Copy content Toggle raw display
$73$ \( T^{2} + 564T - 35820 \) Copy content Toggle raw display
$79$ \( T^{2} + 84T - 220736 \) Copy content Toggle raw display
$83$ \( T^{2} + 1512 T + 292432 \) Copy content Toggle raw display
$89$ \( T^{2} + 28T - 1037900 \) Copy content Toggle raw display
$97$ \( T^{2} - 148T - 45788 \) Copy content Toggle raw display
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