Properties

Label 1575.2.a.p
Level $1575$
Weight $2$
Character orbit 1575.a
Self dual yes
Analytic conductor $12.576$
Analytic rank $1$
Dimension $2$
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] = [1575,2,Mod(1,1575)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1575, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([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("1575.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1575 = 3^{2} \cdot 5^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1575.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: \(12.5764383184\)
Analytic rank: \(1\)
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: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 35)
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.

\(f(q)\) \(=\) \( q - \beta q^{2} + (\beta + 2) q^{4} + q^{7} + ( - \beta - 4) q^{8} +O(q^{10}) \) Copy content Toggle raw display \( q - \beta q^{2} + (\beta + 2) q^{4} + q^{7} + ( - \beta - 4) q^{8} + (\beta - 1) q^{11} + (\beta - 3) q^{13} - \beta q^{14} + 3 \beta q^{16} + (\beta - 3) q^{17} + ( - 2 \beta - 2) q^{19} - 4 q^{22} + (2 \beta - 2) q^{23} + (2 \beta - 4) q^{26} + (\beta + 2) q^{28} + ( - 3 \beta + 1) q^{29} + ( - \beta - 4) q^{32} + (2 \beta - 4) q^{34} - 6 q^{37} + (4 \beta + 8) q^{38} - 2 \beta q^{41} + (2 \beta - 6) q^{43} + (2 \beta + 2) q^{44} - 8 q^{46} + ( - 3 \beta - 1) q^{47} + q^{49} - 2 q^{52} - 2 \beta q^{53} + ( - \beta - 4) q^{56} + (2 \beta + 12) q^{58} + 4 q^{59} + 6 \beta q^{61} + ( - \beta + 4) q^{64} - 4 \beta q^{67} - 2 q^{68} - 8 q^{71} + (4 \beta + 2) q^{73} + 6 \beta q^{74} + ( - 8 \beta - 12) q^{76} + (\beta - 1) q^{77} + (\beta - 5) q^{79} + (2 \beta + 8) q^{82} + 4 q^{83} + (4 \beta - 8) q^{86} - 4 \beta q^{88} + (2 \beta - 4) q^{89} + (\beta - 3) q^{91} + (4 \beta + 4) q^{92} + (4 \beta + 12) q^{94} + ( - 5 \beta + 7) q^{97} - \beta q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - q^{2} + 5 q^{4} + 2 q^{7} - 9 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - q^{2} + 5 q^{4} + 2 q^{7} - 9 q^{8} - q^{11} - 5 q^{13} - q^{14} + 3 q^{16} - 5 q^{17} - 6 q^{19} - 8 q^{22} - 2 q^{23} - 6 q^{26} + 5 q^{28} - q^{29} - 9 q^{32} - 6 q^{34} - 12 q^{37} + 20 q^{38} - 2 q^{41} - 10 q^{43} + 6 q^{44} - 16 q^{46} - 5 q^{47} + 2 q^{49} - 4 q^{52} - 2 q^{53} - 9 q^{56} + 26 q^{58} + 8 q^{59} + 6 q^{61} + 7 q^{64} - 4 q^{67} - 4 q^{68} - 16 q^{71} + 8 q^{73} + 6 q^{74} - 32 q^{76} - q^{77} - 9 q^{79} + 18 q^{82} + 8 q^{83} - 12 q^{86} - 4 q^{88} - 6 q^{89} - 5 q^{91} + 12 q^{92} + 28 q^{94} + 9 q^{97} - q^{98}+O(q^{100}) \) 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
−2.56155 0 4.56155 0 0 1.00000 −6.56155 0 0
1.2 1.56155 0 0.438447 0 0 1.00000 −2.43845 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \(-1\)
\(5\) \(1\)
\(7\) \(-1\)

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 1575.2.a.p 2
3.b odd 2 1 175.2.a.f 2
5.b even 2 1 315.2.a.e 2
5.c odd 4 2 1575.2.d.e 4
12.b even 2 1 2800.2.a.bi 2
15.d odd 2 1 35.2.a.b 2
15.e even 4 2 175.2.b.b 4
20.d odd 2 1 5040.2.a.bt 2
21.c even 2 1 1225.2.a.s 2
35.c odd 2 1 2205.2.a.x 2
60.h even 2 1 560.2.a.i 2
60.l odd 4 2 2800.2.g.t 4
105.g even 2 1 245.2.a.d 2
105.k odd 4 2 1225.2.b.f 4
105.o odd 6 2 245.2.e.i 4
105.p even 6 2 245.2.e.h 4
120.i odd 2 1 2240.2.a.bh 2
120.m even 2 1 2240.2.a.bd 2
165.d even 2 1 4235.2.a.m 2
195.e odd 2 1 5915.2.a.l 2
420.o odd 2 1 3920.2.a.bs 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
35.2.a.b 2 15.d odd 2 1
175.2.a.f 2 3.b odd 2 1
175.2.b.b 4 15.e even 4 2
245.2.a.d 2 105.g even 2 1
245.2.e.h 4 105.p even 6 2
245.2.e.i 4 105.o odd 6 2
315.2.a.e 2 5.b even 2 1
560.2.a.i 2 60.h even 2 1
1225.2.a.s 2 21.c even 2 1
1225.2.b.f 4 105.k odd 4 2
1575.2.a.p 2 1.a even 1 1 trivial
1575.2.d.e 4 5.c odd 4 2
2205.2.a.x 2 35.c odd 2 1
2240.2.a.bd 2 120.m even 2 1
2240.2.a.bh 2 120.i odd 2 1
2800.2.a.bi 2 12.b even 2 1
2800.2.g.t 4 60.l odd 4 2
3920.2.a.bs 2 420.o odd 2 1
4235.2.a.m 2 165.d even 2 1
5040.2.a.bt 2 20.d odd 2 1
5915.2.a.l 2 195.e odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(1575))\):

\( T_{2}^{2} + T_{2} - 4 \) Copy content Toggle raw display
\( T_{11}^{2} + T_{11} - 4 \) Copy content Toggle raw display
\( T_{13}^{2} + 5T_{13} + 2 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} + T - 4 \) Copy content Toggle raw display
$3$ \( T^{2} \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( (T - 1)^{2} \) Copy content Toggle raw display
$11$ \( T^{2} + T - 4 \) Copy content Toggle raw display
$13$ \( T^{2} + 5T + 2 \) Copy content Toggle raw display
$17$ \( T^{2} + 5T + 2 \) Copy content Toggle raw display
$19$ \( T^{2} + 6T - 8 \) Copy content Toggle raw display
$23$ \( T^{2} + 2T - 16 \) Copy content Toggle raw display
$29$ \( T^{2} + T - 38 \) Copy content Toggle raw display
$31$ \( T^{2} \) Copy content Toggle raw display
$37$ \( (T + 6)^{2} \) Copy content Toggle raw display
$41$ \( T^{2} + 2T - 16 \) Copy content Toggle raw display
$43$ \( T^{2} + 10T + 8 \) Copy content Toggle raw display
$47$ \( T^{2} + 5T - 32 \) Copy content Toggle raw display
$53$ \( T^{2} + 2T - 16 \) Copy content Toggle raw display
$59$ \( (T - 4)^{2} \) Copy content Toggle raw display
$61$ \( T^{2} - 6T - 144 \) Copy content Toggle raw display
$67$ \( T^{2} + 4T - 64 \) Copy content Toggle raw display
$71$ \( (T + 8)^{2} \) Copy content Toggle raw display
$73$ \( T^{2} - 8T - 52 \) Copy content Toggle raw display
$79$ \( T^{2} + 9T + 16 \) Copy content Toggle raw display
$83$ \( (T - 4)^{2} \) Copy content Toggle raw display
$89$ \( T^{2} + 6T - 8 \) Copy content Toggle raw display
$97$ \( T^{2} - 9T - 86 \) Copy content Toggle raw display
show more
show less