Properties

Label 725.2.c.f
Level $725$
Weight $2$
Character orbit 725.c
Analytic conductor $5.789$
Analytic rank $0$
Dimension $8$
Inner twists $4$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [725,2,Mod(376,725)] 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("725.376"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(725, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 1])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 725 = 5^{2} \cdot 29 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 725.c (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [8,0,0,8,0,-4,0] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(7)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(5.78915414654\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.0.1731891456.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - 9x^{6} + 65x^{4} - 144x^{2} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{6} \)
Twist minimal: no (minimal twist has level 145)
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 a basis \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{7} q^{2} - \beta_{5} q^{3} + q^{4} + (\beta_1 - 1) q^{6} - \beta_{4} q^{7} + 3 \beta_{7} q^{8} + (\beta_1 - 2) q^{9} + (\beta_{3} + \beta_{2}) q^{11} - \beta_{5} q^{12} + \beta_{6} q^{13} + \beta_{2} q^{14}+ \cdots + \beta_{2} q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q + 8 q^{4} - 4 q^{6} - 12 q^{9} - 8 q^{16} - 12 q^{24} + 16 q^{34} - 12 q^{36} + 40 q^{49} + 8 q^{51} + 28 q^{54} - 24 q^{59} - 56 q^{64} + 48 q^{71} - 24 q^{74} - 56 q^{81} + 60 q^{86} + 24 q^{91} + 44 q^{94}+ \cdots - 20 q^{96}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} - 9x^{6} + 65x^{4} - 144x^{2} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{6} + 181 ) / 65 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -9\nu^{6} + 65\nu^{4} - 585\nu^{2} + 776 ) / 260 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -7\nu^{6} + 65\nu^{4} - 325\nu^{2} + 488 ) / 130 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{7} + 25\nu^{5} - 145\nu^{3} + 544\nu ) / 160 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 9\nu^{7} - 65\nu^{5} + 585\nu^{3} - 256\nu ) / 1040 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -9\nu^{7} + 65\nu^{5} - 585\nu^{3} + 2336\nu ) / 1040 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 9\nu^{7} - 65\nu^{5} + 377\nu^{3} - 256\nu ) / 832 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{6} + \beta_{5} ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} - 2\beta_{2} - \beta _1 + 5 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -4\beta_{7} + 5\beta_{5} \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 9\beta_{3} - 10\beta_{2} + 9\beta _1 - 29 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -36\beta_{7} - 29\beta_{6} + 29\beta_{5} + 18\beta_{4} ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( 65\beta _1 - 181 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 260\beta_{7} - 181\beta_{6} - 181\beta_{5} + 130\beta_{4} ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/725\mathbb{Z}\right)^\times\).

\(n\) \(176\) \(552\)
\(\chi(n)\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
376.1
−2.21837 + 1.28078i
2.21837 + 1.28078i
1.35234 0.780776i
−1.35234 0.780776i
1.35234 + 0.780776i
−1.35234 + 0.780776i
−2.21837 1.28078i
2.21837 1.28078i
1.00000i 2.56155i 1.00000 0 −2.56155 −3.46410 3.00000i −3.56155 0
376.2 1.00000i 2.56155i 1.00000 0 −2.56155 3.46410 3.00000i −3.56155 0
376.3 1.00000i 1.56155i 1.00000 0 1.56155 −3.46410 3.00000i 0.561553 0
376.4 1.00000i 1.56155i 1.00000 0 1.56155 3.46410 3.00000i 0.561553 0
376.5 1.00000i 1.56155i 1.00000 0 1.56155 −3.46410 3.00000i 0.561553 0
376.6 1.00000i 1.56155i 1.00000 0 1.56155 3.46410 3.00000i 0.561553 0
376.7 1.00000i 2.56155i 1.00000 0 −2.56155 −3.46410 3.00000i −3.56155 0
376.8 1.00000i 2.56155i 1.00000 0 −2.56155 3.46410 3.00000i −3.56155 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 376.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner
29.b even 2 1 inner
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 725.2.c.f 8
5.b even 2 1 inner 725.2.c.f 8
5.c odd 4 1 145.2.d.a 4
5.c odd 4 1 145.2.d.c yes 4
15.e even 4 1 1305.2.f.e 4
15.e even 4 1 1305.2.f.i 4
20.e even 4 1 2320.2.j.a 4
20.e even 4 1 2320.2.j.c 4
29.b even 2 1 inner 725.2.c.f 8
145.d even 2 1 inner 725.2.c.f 8
145.h odd 4 1 145.2.d.a 4
145.h odd 4 1 145.2.d.c yes 4
435.p even 4 1 1305.2.f.e 4
435.p even 4 1 1305.2.f.i 4
580.o even 4 1 2320.2.j.a 4
580.o even 4 1 2320.2.j.c 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
145.2.d.a 4 5.c odd 4 1
145.2.d.a 4 145.h odd 4 1
145.2.d.c yes 4 5.c odd 4 1
145.2.d.c yes 4 145.h odd 4 1
725.2.c.f 8 1.a even 1 1 trivial
725.2.c.f 8 5.b even 2 1 inner
725.2.c.f 8 29.b even 2 1 inner
725.2.c.f 8 145.d even 2 1 inner
1305.2.f.e 4 15.e even 4 1
1305.2.f.e 4 435.p even 4 1
1305.2.f.i 4 15.e even 4 1
1305.2.f.i 4 435.p even 4 1
2320.2.j.a 4 20.e even 4 1
2320.2.j.a 4 580.o even 4 1
2320.2.j.c 4 20.e even 4 1
2320.2.j.c 4 580.o even 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(725, [\chi])\):

\( T_{2}^{2} + 1 \) Copy content Toggle raw display
\( T_{3}^{4} + 9T_{3}^{2} + 16 \) Copy content Toggle raw display
\( T_{7}^{2} - 12 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} + 1)^{4} \) Copy content Toggle raw display
$3$ \( (T^{4} + 9 T^{2} + 16)^{2} \) Copy content Toggle raw display
$5$ \( T^{8} \) Copy content Toggle raw display
$7$ \( (T^{2} - 12)^{4} \) Copy content Toggle raw display
$11$ \( (T^{4} + 39 T^{2} + 36)^{2} \) Copy content Toggle raw display
$13$ \( (T^{4} - 27 T^{2} + 144)^{2} \) Copy content Toggle raw display
$17$ \( (T^{2} + 4)^{4} \) Copy content Toggle raw display
$19$ \( (T^{2} + 12)^{4} \) Copy content Toggle raw display
$23$ \( (T^{2} - 12)^{4} \) Copy content Toggle raw display
$29$ \( (T^{4} - 10 T^{2} + 841)^{2} \) Copy content Toggle raw display
$31$ \( (T^{4} + 63 T^{2} + 36)^{2} \) Copy content Toggle raw display
$37$ \( (T^{4} + 52 T^{2} + 64)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} + 108 T^{2} + 2304)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} + 121 T^{2} + 2704)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} + 137 T^{2} + 64)^{2} \) Copy content Toggle raw display
$53$ \( (T^{4} - 27 T^{2} + 144)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} + 6 T - 8)^{4} \) Copy content Toggle raw display
$61$ \( (T^{4} + 156 T^{2} + 576)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} - 156 T^{2} + 576)^{2} \) Copy content Toggle raw display
$71$ \( (T^{2} - 12 T - 32)^{4} \) Copy content Toggle raw display
$73$ \( (T^{4} + 52 T^{2} + 64)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + 279 T^{2} + 12996)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} - 108)^{4} \) Copy content Toggle raw display
$89$ \( (T^{4} + 108 T^{2} + 2304)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} + 68)^{4} \) Copy content Toggle raw display
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