Properties

Label 1600.3.h.j
Level $1600$
Weight $3$
Character orbit 1600.h
Analytic conductor $43.597$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $2$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1600,3,Mod(1599,1600)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1600, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1600.1599");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1600 = 2^{6} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1600.h (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: \(43.5968422976\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(i, \sqrt{11})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - 5x^{2} + 9 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: no (minimal twist has level 800)
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.

\(f(q)\) \(=\) \( q + \beta_{2} q^{3} + (2 \beta_{2} + 4) q^{7} + 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{2} q^{3} + (2 \beta_{2} + 4) q^{7} + 2 q^{9} + (\beta_{3} - 8 \beta_1) q^{11} + ( - 4 \beta_{3} - 8 \beta_1) q^{13} + ( - 8 \beta_{3} + 5 \beta_1) q^{17} + 3 \beta_{3} q^{19} + (4 \beta_{2} + 22) q^{21} + ( - 2 \beta_{2} + 8) q^{23} - 7 \beta_{2} q^{27} + (12 \beta_{2} - 12) q^{29} + ( - 6 \beta_{3} + 16 \beta_1) q^{31} + ( - 8 \beta_{3} + 11 \beta_1) q^{33} + ( - 4 \beta_{3} - 34 \beta_1) q^{37} + ( - 8 \beta_{3} - 44 \beta_1) q^{39} + ( - 8 \beta_{2} - 47) q^{41} + ( - 4 \beta_{2} - 56) q^{43} + 76 q^{47} + (16 \beta_{2} + 11) q^{49} + (5 \beta_{3} - 88 \beta_1) q^{51} + ( - 8 \beta_{3} - 22 \beta_1) q^{53} + 33 \beta_1 q^{57} + ( - 8 \beta_{3} - 16 \beta_1) q^{59} + ( - 20 \beta_{2} + 38) q^{61} + (4 \beta_{2} + 8) q^{63} + (21 \beta_{2} + 32) q^{67} + (8 \beta_{2} - 22) q^{69} + (24 \beta_{3} + 28 \beta_1) q^{71} + 89 \beta_1 q^{73} + ( - 12 \beta_{3} - 10 \beta_1) q^{77} + (30 \beta_{3} - 36 \beta_1) q^{79} - 95 q^{81} + (15 \beta_{2} - 40) q^{83} + ( - 12 \beta_{2} + 132) q^{87} + (24 \beta_{2} + 69) q^{89} + ( - 32 \beta_{3} - 120 \beta_1) q^{91} + (16 \beta_{3} - 66 \beta_1) q^{93} + (24 \beta_{3} + 90 \beta_1) q^{97} + (2 \beta_{3} - 16 \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 16 q^{7} + 8 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 16 q^{7} + 8 q^{9} + 88 q^{21} + 32 q^{23} - 48 q^{29} - 188 q^{41} - 224 q^{43} + 304 q^{47} + 44 q^{49} + 152 q^{61} + 32 q^{63} + 128 q^{67} - 88 q^{69} - 380 q^{81} - 160 q^{83} + 528 q^{87} + 276 q^{89}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - 5x^{2} + 9 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{3} - 2\nu ) / 3 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -\nu^{3} + 8\nu ) / 3 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( 2\nu^{2} - 5 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{2} + \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} + 5 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{2} + 4\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1600\mathbb{Z}\right)^\times\).

\(n\) \(577\) \(901\) \(1151\)
\(\chi(n)\) \(-1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1599.1
−1.65831 + 0.500000i
−1.65831 0.500000i
1.65831 + 0.500000i
1.65831 0.500000i
0 −3.31662 0 0 0 −2.63325 0 2.00000 0
1599.2 0 −3.31662 0 0 0 −2.63325 0 2.00000 0
1599.3 0 3.31662 0 0 0 10.6332 0 2.00000 0
1599.4 0 3.31662 0 0 0 10.6332 0 2.00000 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
20.d odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1600.3.h.j 4
4.b odd 2 1 1600.3.h.g 4
5.b even 2 1 1600.3.h.g 4
5.c odd 4 1 1600.3.b.q 4
5.c odd 4 1 1600.3.b.r 4
8.b even 2 1 800.3.h.g 4
8.d odd 2 1 800.3.h.f 4
20.d odd 2 1 inner 1600.3.h.j 4
20.e even 4 1 1600.3.b.q 4
20.e even 4 1 1600.3.b.r 4
40.e odd 2 1 800.3.h.g 4
40.f even 2 1 800.3.h.f 4
40.i odd 4 1 800.3.b.e 4
40.i odd 4 1 800.3.b.f yes 4
40.k even 4 1 800.3.b.e 4
40.k even 4 1 800.3.b.f yes 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
800.3.b.e 4 40.i odd 4 1
800.3.b.e 4 40.k even 4 1
800.3.b.f yes 4 40.i odd 4 1
800.3.b.f yes 4 40.k even 4 1
800.3.h.f 4 8.d odd 2 1
800.3.h.f 4 40.f even 2 1
800.3.h.g 4 8.b even 2 1
800.3.h.g 4 40.e odd 2 1
1600.3.b.q 4 5.c odd 4 1
1600.3.b.q 4 20.e even 4 1
1600.3.b.r 4 5.c odd 4 1
1600.3.b.r 4 20.e even 4 1
1600.3.h.g 4 4.b odd 2 1
1600.3.h.g 4 5.b even 2 1
1600.3.h.j 4 1.a even 1 1 trivial
1600.3.h.j 4 20.d odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(1600, [\chi])\):

\( T_{3}^{2} - 11 \) Copy content Toggle raw display
\( T_{7}^{2} - 8T_{7} - 28 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( (T^{2} - 11)^{2} \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( (T^{2} - 8 T - 28)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} + 150T^{2} + 2809 \) Copy content Toggle raw display
$13$ \( T^{4} + 480 T^{2} + 12544 \) Copy content Toggle raw display
$17$ \( T^{4} + 1458 T^{2} + 461041 \) Copy content Toggle raw display
$19$ \( (T^{2} + 99)^{2} \) Copy content Toggle raw display
$23$ \( (T^{2} - 16 T + 20)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} + 24 T - 1440)^{2} \) Copy content Toggle raw display
$31$ \( T^{4} + 1304 T^{2} + 19600 \) Copy content Toggle raw display
$37$ \( T^{4} + 2664 T^{2} + 960400 \) Copy content Toggle raw display
$41$ \( (T^{2} + 94 T + 1505)^{2} \) Copy content Toggle raw display
$43$ \( (T^{2} + 112 T + 2960)^{2} \) Copy content Toggle raw display
$47$ \( (T - 76)^{4} \) Copy content Toggle raw display
$53$ \( T^{4} + 2376 T^{2} + 48400 \) Copy content Toggle raw display
$59$ \( T^{4} + 1920 T^{2} + 200704 \) Copy content Toggle raw display
$61$ \( (T^{2} - 76 T - 2956)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} - 64 T - 3827)^{2} \) Copy content Toggle raw display
$71$ \( T^{4} + 14240 T^{2} + 30824704 \) Copy content Toggle raw display
$73$ \( (T^{2} + 7921)^{2} \) Copy content Toggle raw display
$79$ \( T^{4} + 22392 T^{2} + 74028816 \) Copy content Toggle raw display
$83$ \( (T^{2} + 80 T - 875)^{2} \) Copy content Toggle raw display
$89$ \( (T^{2} - 138 T - 1575)^{2} \) Copy content Toggle raw display
$97$ \( T^{4} + 28872 T^{2} + 3111696 \) Copy content Toggle raw display
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