Properties

Label 10.6.b.a
Level $10$
Weight $6$
Character orbit 10.b
Analytic conductor $1.604$
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] = [10,6,Mod(9,10)] 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("10.9"); S:= CuspForms(chi, 6); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(10, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([1])) N = Newforms(chi, 6, names="a")
 
Level: \( N \) \(=\) \( 10 = 2 \cdot 5 \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 10.b (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(0)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(1.60383819813\)
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: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 2 \)
Twist minimal: yes
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 \(\beta = 2i\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + 2 \beta q^{2} + 7 \beta q^{3} - 16 q^{4} + (5 \beta + 55) q^{5} - 56 q^{6} - 79 \beta q^{7} - 32 \beta q^{8} + 47 q^{9} + (110 \beta - 40) q^{10} - 148 q^{11} - 112 \beta q^{12} + 342 \beta q^{13} + \cdots - 6956 q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 32 q^{4} + 110 q^{5} - 112 q^{6} + 94 q^{9} - 80 q^{10} - 296 q^{11} + 1264 q^{14} - 280 q^{15} + 512 q^{16} - 4440 q^{19} - 1760 q^{20} + 4424 q^{21} + 1792 q^{24} + 5850 q^{25} - 5472 q^{26} + 540 q^{29}+ \cdots - 13912 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/10\mathbb{Z}\right)^\times\).

\(n\) \(7\)
\(\chi(n)\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
9.1
1.00000i
1.00000i
4.00000i 14.0000i −16.0000 55.0000 10.0000i −56.0000 158.000i 64.0000i 47.0000 −40.0000 220.000i
9.2 4.00000i 14.0000i −16.0000 55.0000 + 10.0000i −56.0000 158.000i 64.0000i 47.0000 −40.0000 + 220.000i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 10.6.b.a 2
3.b odd 2 1 90.6.c.a 2
4.b odd 2 1 80.6.c.c 2
5.b even 2 1 inner 10.6.b.a 2
5.c odd 4 1 50.6.a.c 1
5.c odd 4 1 50.6.a.e 1
8.b even 2 1 320.6.c.b 2
8.d odd 2 1 320.6.c.a 2
12.b even 2 1 720.6.f.a 2
15.d odd 2 1 90.6.c.a 2
15.e even 4 1 450.6.a.c 1
15.e even 4 1 450.6.a.w 1
20.d odd 2 1 80.6.c.c 2
20.e even 4 1 400.6.a.c 1
20.e even 4 1 400.6.a.k 1
40.e odd 2 1 320.6.c.a 2
40.f even 2 1 320.6.c.b 2
60.h even 2 1 720.6.f.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
10.6.b.a 2 1.a even 1 1 trivial
10.6.b.a 2 5.b even 2 1 inner
50.6.a.c 1 5.c odd 4 1
50.6.a.e 1 5.c odd 4 1
80.6.c.c 2 4.b odd 2 1
80.6.c.c 2 20.d odd 2 1
90.6.c.a 2 3.b odd 2 1
90.6.c.a 2 15.d odd 2 1
320.6.c.a 2 8.d odd 2 1
320.6.c.a 2 40.e odd 2 1
320.6.c.b 2 8.b even 2 1
320.6.c.b 2 40.f even 2 1
400.6.a.c 1 20.e even 4 1
400.6.a.k 1 20.e even 4 1
450.6.a.c 1 15.e even 4 1
450.6.a.w 1 15.e even 4 1
720.6.f.a 2 12.b even 2 1
720.6.f.a 2 60.h even 2 1

Hecke kernels

This newform subspace is the entire newspace \(S_{6}^{\mathrm{new}}(10, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} + 16 \) Copy content Toggle raw display
$3$ \( T^{2} + 196 \) Copy content Toggle raw display
$5$ \( T^{2} - 110T + 3125 \) Copy content Toggle raw display
$7$ \( T^{2} + 24964 \) Copy content Toggle raw display
$11$ \( (T + 148)^{2} \) Copy content Toggle raw display
$13$ \( T^{2} + 467856 \) Copy content Toggle raw display
$17$ \( T^{2} + 4194304 \) Copy content Toggle raw display
$19$ \( (T + 2220)^{2} \) Copy content Toggle raw display
$23$ \( T^{2} + 1552516 \) Copy content Toggle raw display
$29$ \( (T - 270)^{2} \) Copy content Toggle raw display
$31$ \( (T + 2048)^{2} \) Copy content Toggle raw display
$37$ \( T^{2} + 19114384 \) Copy content Toggle raw display
$41$ \( (T + 2398)^{2} \) Copy content Toggle raw display
$43$ \( T^{2} + 5262436 \) Copy content Toggle raw display
$47$ \( T^{2} + 114105124 \) Copy content Toggle raw display
$53$ \( T^{2} + 8785296 \) Copy content Toggle raw display
$59$ \( (T - 39740)^{2} \) Copy content Toggle raw display
$61$ \( (T + 42298)^{2} \) Copy content Toggle raw display
$67$ \( T^{2} + 1030281604 \) Copy content Toggle raw display
$71$ \( (T + 4248)^{2} \) Copy content Toggle raw display
$73$ \( T^{2} + 906250816 \) Copy content Toggle raw display
$79$ \( (T + 35280)^{2} \) Copy content Toggle raw display
$83$ \( T^{2} + 774286276 \) Copy content Toggle raw display
$89$ \( (T - 85210)^{2} \) Copy content Toggle raw display
$97$ \( T^{2} + 9454061824 \) Copy content Toggle raw display
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