Properties

Label 1450.2.d.b
Level $1450$
Weight $2$
Character orbit 1450.d
Analytic conductor $11.578$
Analytic rank $0$
Dimension $2$
Inner twists $2$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [1450,2,Mod(1449,1450)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("1450.1449"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(1450, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([1, 1])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 1450 = 2 \cdot 5^{2} \cdot 29 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1450.d (of order \(2\), degree \(1\), not minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [2,-2,2] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(3)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(11.5783082931\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-1}) \)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 58)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

Copy content comment:q-expansion
 
Copy content sage:f.q_expansion() # note that sage often uses an isomorphic number field
 
Copy content gp:mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of \(i = \sqrt{-1}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - q^{2} + q^{3} + q^{4} - q^{6} + 2 i q^{7} - q^{8} - 2 q^{9} + 5 i q^{11} + q^{12} - i q^{13} - 2 i q^{14} + q^{16} + 2 q^{17} + 2 q^{18} + 4 i q^{19} + 2 i q^{21} - 5 i q^{22} - 6 i q^{23} - q^{24} + \cdots - 10 i q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{2} + 2 q^{3} + 2 q^{4} - 2 q^{6} - 2 q^{8} - 4 q^{9} + 2 q^{12} + 2 q^{16} + 4 q^{17} + 4 q^{18} - 2 q^{24} - 10 q^{27} - 10 q^{29} - 2 q^{32} - 4 q^{34} - 4 q^{36} - 16 q^{37} - 18 q^{43} - 6 q^{47}+ \cdots - 6 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1450\mathbb{Z}\right)^\times\).

\(n\) \(901\) \(1277\)
\(\chi(n)\) \(-1\) \(-1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1449.1
1.00000i
1.00000i
−1.00000 1.00000 1.00000 0 −1.00000 2.00000i −1.00000 −2.00000 0
1449.2 −1.00000 1.00000 1.00000 0 −1.00000 2.00000i −1.00000 −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
145.d even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1450.2.d.b 2
5.b even 2 1 1450.2.d.c 2
5.c odd 4 1 58.2.b.a 2
5.c odd 4 1 1450.2.c.a 2
15.e even 4 1 522.2.d.a 2
20.e even 4 1 464.2.e.c 2
29.b even 2 1 1450.2.d.c 2
40.i odd 4 1 1856.2.e.b 2
40.k even 4 1 1856.2.e.d 2
60.l odd 4 1 4176.2.o.d 2
145.d even 2 1 inner 1450.2.d.b 2
145.e even 4 1 1682.2.a.g 1
145.h odd 4 1 58.2.b.a 2
145.h odd 4 1 1450.2.c.a 2
145.j even 4 1 1682.2.a.c 1
435.p even 4 1 522.2.d.a 2
580.o even 4 1 464.2.e.c 2
1160.bb even 4 1 1856.2.e.d 2
1160.be odd 4 1 1856.2.e.b 2
1740.v odd 4 1 4176.2.o.d 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
58.2.b.a 2 5.c odd 4 1
58.2.b.a 2 145.h odd 4 1
464.2.e.c 2 20.e even 4 1
464.2.e.c 2 580.o even 4 1
522.2.d.a 2 15.e even 4 1
522.2.d.a 2 435.p even 4 1
1450.2.c.a 2 5.c odd 4 1
1450.2.c.a 2 145.h odd 4 1
1450.2.d.b 2 1.a even 1 1 trivial
1450.2.d.b 2 145.d even 2 1 inner
1450.2.d.c 2 5.b even 2 1
1450.2.d.c 2 29.b even 2 1
1682.2.a.c 1 145.j even 4 1
1682.2.a.g 1 145.e even 4 1
1856.2.e.b 2 40.i odd 4 1
1856.2.e.b 2 1160.be odd 4 1
1856.2.e.d 2 40.k even 4 1
1856.2.e.d 2 1160.bb even 4 1
4176.2.o.d 2 60.l odd 4 1
4176.2.o.d 2 1740.v odd 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1450, [\chi])\):

\( T_{3} - 1 \) Copy content Toggle raw display
\( T_{17} - 2 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T + 1)^{2} \) Copy content Toggle raw display
$3$ \( (T - 1)^{2} \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( T^{2} + 4 \) Copy content Toggle raw display
$11$ \( T^{2} + 25 \) Copy content Toggle raw display
$13$ \( T^{2} + 1 \) Copy content Toggle raw display
$17$ \( (T - 2)^{2} \) Copy content Toggle raw display
$19$ \( T^{2} + 16 \) Copy content Toggle raw display
$23$ \( T^{2} + 36 \) Copy content Toggle raw display
$29$ \( T^{2} + 10T + 29 \) Copy content Toggle raw display
$31$ \( T^{2} + 25 \) Copy content Toggle raw display
$37$ \( (T + 8)^{2} \) Copy content Toggle raw display
$41$ \( T^{2} + 100 \) Copy content Toggle raw display
$43$ \( (T + 9)^{2} \) Copy content Toggle raw display
$47$ \( (T + 3)^{2} \) Copy content Toggle raw display
$53$ \( T^{2} + 1 \) Copy content Toggle raw display
$59$ \( (T + 10)^{2} \) Copy content Toggle raw display
$61$ \( T^{2} + 100 \) Copy content Toggle raw display
$67$ \( T^{2} + 64 \) Copy content Toggle raw display
$71$ \( (T + 8)^{2} \) Copy content Toggle raw display
$73$ \( (T - 16)^{2} \) Copy content Toggle raw display
$79$ \( T^{2} + 1 \) Copy content Toggle raw display
$83$ \( T^{2} + 196 \) Copy content Toggle raw display
$89$ \( T^{2} + 196 \) Copy content Toggle raw display
$97$ \( (T - 2)^{2} \) Copy content Toggle raw display
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