Properties

Label 315.5.e.c
Level $315$
Weight $5$
Character orbit 315.e
Analytic conductor $32.562$
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] = [315,5,Mod(244,315)] 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("315.244"); S:= CuspForms(chi, 5); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(315, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 1, 1])) N = Newforms(chi, 5, names="a")
 
Level: \( N \) \(=\) \( 315 = 3^{2} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 5 \)
Character orbit: \([\chi]\) \(=\) 315.e (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [2,0,0,20,-10,0,70,0,0,120,-178] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(11)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(32.5615383714\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-6}) \)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} + 6 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 35)
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 \(\beta = \sqrt{-6}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta q^{2} + 10 q^{4} + ( - 10 \beta - 5) q^{5} + ( - 14 \beta + 35) q^{7} + 26 \beta q^{8} + ( - 5 \beta + 60) q^{10} - 89 q^{11} - 5 q^{13} + (35 \beta + 84) q^{14} + 4 q^{16} + 485 q^{17} + 90 \beta q^{19}+ \cdots + (49 \beta + 5880) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 20 q^{4} - 10 q^{5} + 70 q^{7} + 120 q^{10} - 178 q^{11} - 10 q^{13} + 168 q^{14} + 8 q^{16} + 970 q^{17} - 100 q^{20} - 1150 q^{25} + 700 q^{28} - 382 q^{29} - 2030 q^{35} - 1080 q^{38} + 3120 q^{40}+ \cdots + 11760 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/315\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(136\) \(281\)
\(\chi(n)\) \(-1\) \(-1\) \(1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
244.1
2.44949i
2.44949i
2.44949i 0 10.0000 −5.00000 + 24.4949i 0 35.0000 + 34.2929i 63.6867i 0 60.0000 + 12.2474i
244.2 2.44949i 0 10.0000 −5.00000 24.4949i 0 35.0000 34.2929i 63.6867i 0 60.0000 12.2474i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
35.c odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 315.5.e.c 2
3.b odd 2 1 35.5.c.d yes 2
5.b even 2 1 315.5.e.d 2
7.b odd 2 1 315.5.e.d 2
12.b even 2 1 560.5.p.d 2
15.d odd 2 1 35.5.c.c 2
15.e even 4 2 175.5.d.e 4
21.c even 2 1 35.5.c.c 2
35.c odd 2 1 inner 315.5.e.c 2
60.h even 2 1 560.5.p.e 2
84.h odd 2 1 560.5.p.e 2
105.g even 2 1 35.5.c.d yes 2
105.k odd 4 2 175.5.d.e 4
420.o odd 2 1 560.5.p.d 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
35.5.c.c 2 15.d odd 2 1
35.5.c.c 2 21.c even 2 1
35.5.c.d yes 2 3.b odd 2 1
35.5.c.d yes 2 105.g even 2 1
175.5.d.e 4 15.e even 4 2
175.5.d.e 4 105.k odd 4 2
315.5.e.c 2 1.a even 1 1 trivial
315.5.e.c 2 35.c odd 2 1 inner
315.5.e.d 2 5.b even 2 1
315.5.e.d 2 7.b odd 2 1
560.5.p.d 2 12.b even 2 1
560.5.p.d 2 420.o odd 2 1
560.5.p.e 2 60.h even 2 1
560.5.p.e 2 84.h odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{5}^{\mathrm{new}}(315, [\chi])\):

\( T_{2}^{2} + 6 \) Copy content Toggle raw display
\( T_{13} + 5 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} + 6 \) Copy content Toggle raw display
$3$ \( T^{2} \) Copy content Toggle raw display
$5$ \( T^{2} + 10T + 625 \) Copy content Toggle raw display
$7$ \( T^{2} - 70T + 2401 \) Copy content Toggle raw display
$11$ \( (T + 89)^{2} \) Copy content Toggle raw display
$13$ \( (T + 5)^{2} \) Copy content Toggle raw display
$17$ \( (T - 485)^{2} \) Copy content Toggle raw display
$19$ \( T^{2} + 48600 \) Copy content Toggle raw display
$23$ \( T^{2} + 490776 \) Copy content Toggle raw display
$29$ \( (T + 191)^{2} \) Copy content Toggle raw display
$31$ \( T^{2} + 1109400 \) Copy content Toggle raw display
$37$ \( T^{2} + 2661336 \) Copy content Toggle raw display
$41$ \( T^{2} + 8496600 \) Copy content Toggle raw display
$43$ \( T^{2} + 142296 \) Copy content Toggle raw display
$47$ \( (T - 2195)^{2} \) Copy content Toggle raw display
$53$ \( T^{2} + 2519424 \) Copy content Toggle raw display
$59$ \( T^{2} + 13142400 \) Copy content Toggle raw display
$61$ \( T^{2} + 3744600 \) Copy content Toggle raw display
$67$ \( T^{2} + 4193376 \) Copy content Toggle raw display
$71$ \( (T + 4454)^{2} \) Copy content Toggle raw display
$73$ \( (T - 8650)^{2} \) Copy content Toggle raw display
$79$ \( (T - 5561)^{2} \) Copy content Toggle raw display
$83$ \( (T + 1990)^{2} \) Copy content Toggle raw display
$89$ \( T^{2} + 653400 \) Copy content Toggle raw display
$97$ \( (T - 9235)^{2} \) Copy content Toggle raw display
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