Properties

Label 2600.2.a.p
Level $2600$
Weight $2$
Character orbit 2600.a
Self dual yes
Analytic conductor $20.761$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2600,2,Mod(1,2600)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2600, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2600.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2600 = 2^{3} \cdot 5^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2600.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: \(20.7611045255\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{17}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x - 4 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 104)
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 \(\beta = \frac{1}{2}(1 + \sqrt{17})\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta q^{3} + \beta q^{7} + (\beta + 1) q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - \beta q^{3} + \beta q^{7} + (\beta + 1) q^{9} - 2 \beta q^{11} - q^{13} + ( - 3 \beta + 2) q^{17} + 2 \beta q^{19} + ( - \beta - 4) q^{21} + 8 q^{23} + (\beta - 4) q^{27} - 2 q^{29} + 4 q^{31} + (2 \beta + 8) q^{33} + ( - 3 \beta - 2) q^{37} + \beta q^{39} + ( - 2 \beta + 2) q^{41} + (\beta - 8) q^{43} + ( - 3 \beta + 8) q^{47} + (\beta - 3) q^{49} + (\beta + 12) q^{51} + ( - 2 \beta + 2) q^{53} + ( - 2 \beta - 8) q^{57} + 2 \beta q^{59} + (2 \beta + 6) q^{61} + (2 \beta + 4) q^{63} + 2 \beta q^{67} - 8 \beta q^{69} - 3 \beta q^{71} + 6 q^{73} + ( - 2 \beta - 8) q^{77} + 8 q^{79} - 7 q^{81} + ( - 4 \beta + 8) q^{83} + 2 \beta q^{87} + 10 q^{89} - \beta q^{91} - 4 \beta q^{93} + (4 \beta - 2) q^{97} + ( - 4 \beta - 8) q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - q^{3} + q^{7} + 3 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - q^{3} + q^{7} + 3 q^{9} - 2 q^{11} - 2 q^{13} + q^{17} + 2 q^{19} - 9 q^{21} + 16 q^{23} - 7 q^{27} - 4 q^{29} + 8 q^{31} + 18 q^{33} - 7 q^{37} + q^{39} + 2 q^{41} - 15 q^{43} + 13 q^{47} - 5 q^{49} + 25 q^{51} + 2 q^{53} - 18 q^{57} + 2 q^{59} + 14 q^{61} + 10 q^{63} + 2 q^{67} - 8 q^{69} - 3 q^{71} + 12 q^{73} - 18 q^{77} + 16 q^{79} - 14 q^{81} + 12 q^{83} + 2 q^{87} + 20 q^{89} - q^{91} - 4 q^{93} - 20 q^{99}+O(q^{100}) \) 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
2.56155
−1.56155
0 −2.56155 0 0 0 2.56155 0 3.56155 0
1.2 0 1.56155 0 0 0 −1.56155 0 −0.561553 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(5\) \(1\)
\(13\) \(1\)

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 2600.2.a.p 2
4.b odd 2 1 5200.2.a.bw 2
5.b even 2 1 104.2.a.b 2
5.c odd 4 2 2600.2.d.k 4
15.d odd 2 1 936.2.a.j 2
20.d odd 2 1 208.2.a.e 2
35.c odd 2 1 5096.2.a.m 2
40.e odd 2 1 832.2.a.n 2
40.f even 2 1 832.2.a.k 2
60.h even 2 1 1872.2.a.u 2
65.d even 2 1 1352.2.a.g 2
65.g odd 4 2 1352.2.f.c 4
65.l even 6 2 1352.2.i.d 4
65.n even 6 2 1352.2.i.f 4
65.s odd 12 4 1352.2.o.d 8
80.k odd 4 2 3328.2.b.w 4
80.q even 4 2 3328.2.b.y 4
120.i odd 2 1 7488.2.a.cu 2
120.m even 2 1 7488.2.a.cv 2
260.g odd 2 1 2704.2.a.p 2
260.u even 4 2 2704.2.f.k 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
104.2.a.b 2 5.b even 2 1
208.2.a.e 2 20.d odd 2 1
832.2.a.k 2 40.f even 2 1
832.2.a.n 2 40.e odd 2 1
936.2.a.j 2 15.d odd 2 1
1352.2.a.g 2 65.d even 2 1
1352.2.f.c 4 65.g odd 4 2
1352.2.i.d 4 65.l even 6 2
1352.2.i.f 4 65.n even 6 2
1352.2.o.d 8 65.s odd 12 4
1872.2.a.u 2 60.h even 2 1
2600.2.a.p 2 1.a even 1 1 trivial
2600.2.d.k 4 5.c odd 4 2
2704.2.a.p 2 260.g odd 2 1
2704.2.f.k 4 260.u even 4 2
3328.2.b.w 4 80.k odd 4 2
3328.2.b.y 4 80.q even 4 2
5096.2.a.m 2 35.c odd 2 1
5200.2.a.bw 2 4.b odd 2 1
7488.2.a.cu 2 120.i odd 2 1
7488.2.a.cv 2 120.m even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(2600))\):

\( T_{3}^{2} + T_{3} - 4 \) Copy content Toggle raw display
\( T_{7}^{2} - T_{7} - 4 \) Copy content Toggle raw display
\( T_{11}^{2} + 2T_{11} - 16 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \) Copy content Toggle raw display
$3$ \( T^{2} + T - 4 \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( T^{2} - T - 4 \) Copy content Toggle raw display
$11$ \( T^{2} + 2T - 16 \) Copy content Toggle raw display
$13$ \( (T + 1)^{2} \) Copy content Toggle raw display
$17$ \( T^{2} - T - 38 \) Copy content Toggle raw display
$19$ \( T^{2} - 2T - 16 \) Copy content Toggle raw display
$23$ \( (T - 8)^{2} \) Copy content Toggle raw display
$29$ \( (T + 2)^{2} \) Copy content Toggle raw display
$31$ \( (T - 4)^{2} \) Copy content Toggle raw display
$37$ \( T^{2} + 7T - 26 \) Copy content Toggle raw display
$41$ \( T^{2} - 2T - 16 \) Copy content Toggle raw display
$43$ \( T^{2} + 15T + 52 \) Copy content Toggle raw display
$47$ \( T^{2} - 13T + 4 \) Copy content Toggle raw display
$53$ \( T^{2} - 2T - 16 \) Copy content Toggle raw display
$59$ \( T^{2} - 2T - 16 \) Copy content Toggle raw display
$61$ \( T^{2} - 14T + 32 \) Copy content Toggle raw display
$67$ \( T^{2} - 2T - 16 \) Copy content Toggle raw display
$71$ \( T^{2} + 3T - 36 \) Copy content Toggle raw display
$73$ \( (T - 6)^{2} \) Copy content Toggle raw display
$79$ \( (T - 8)^{2} \) Copy content Toggle raw display
$83$ \( T^{2} - 12T - 32 \) Copy content Toggle raw display
$89$ \( (T - 10)^{2} \) Copy content Toggle raw display
$97$ \( T^{2} - 68 \) Copy content Toggle raw display
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