Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [7220,2,Mod(1,7220)] 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("7220.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(7220, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 7220 = 2^{2} \cdot 5 \cdot 19^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 7220.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [2,0,-2,0,2,0,4,0,2,0,0,0,2] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(13)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(57.6519902594\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\zeta_{12})^+\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - 3 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 380)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

Embedding invariants

Embedding label 1.1
Root \(-1.73205\) of defining polynomial
Character \(\chi\) \(=\) 7220.1

$q$-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)
 
\(f(q)\) \(=\) \(q-2.73205 q^{3} +1.00000 q^{5} +2.00000 q^{7} +4.46410 q^{9} -3.46410 q^{11} +2.73205 q^{13} -2.73205 q^{15} -3.46410 q^{17} -5.46410 q^{21} -3.46410 q^{23} +1.00000 q^{25} -4.00000 q^{27} -3.46410 q^{29} +1.46410 q^{31} +9.46410 q^{33} +2.00000 q^{35} -6.73205 q^{37} -7.46410 q^{39} +6.00000 q^{41} -4.92820 q^{43} +4.46410 q^{45} +12.9282 q^{47} -3.00000 q^{49} +9.46410 q^{51} +10.7321 q^{53} -3.46410 q^{55} -6.92820 q^{59} +12.3923 q^{61} +8.92820 q^{63} +2.73205 q^{65} -6.73205 q^{67} +9.46410 q^{69} +2.53590 q^{71} -0.535898 q^{73} -2.73205 q^{75} -6.92820 q^{77} -2.92820 q^{79} -2.46410 q^{81} +3.46410 q^{83} -3.46410 q^{85} +9.46410 q^{87} +15.4641 q^{89} +5.46410 q^{91} -4.00000 q^{93} +16.5885 q^{97} -15.4641 q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{3} + 2 q^{5} + 4 q^{7} + 2 q^{9} + 2 q^{13} - 2 q^{15} - 4 q^{21} + 2 q^{25} - 8 q^{27} - 4 q^{31} + 12 q^{33} + 4 q^{35} - 10 q^{37} - 8 q^{39} + 12 q^{41} + 4 q^{43} + 2 q^{45} + 12 q^{47}+ \cdots - 24 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Coefficient data

For each \(n\) we display the coefficients of the \(q\)-expansion \(a_n\), the Satake parameters \(\alpha_p\), and the Satake angles \(\theta_p = \textrm{Arg}(\alpha_p)\). You can download additional coefficients here.



Currently showing only \(a_p\); display all \(a_n\) Currently showing all \(a_n\); display only \(a_p\)
Significant digits:
\(n\) \(a_n\) \(a_n / n^{(k-1)/2}\) \( \alpha_n \) \( \theta_n \)
\(p\) \(a_p\) \(a_p / p^{(k-1)/2}\) \( \alpha_p\) \( \theta_p \)
\(2\) 0 0
\(3\) −2.73205 −1.57735 −0.788675 − 0.614810i \(-0.789233\pi\)
−0.788675 + 0.614810i \(0.789233\pi\)
\(4\) 0 0
\(5\) 1.00000 0.447214
\(6\) 0 0
\(7\) 2.00000 0.755929 0.377964 − 0.925820i \(-0.376624\pi\)
0.377964 + 0.925820i \(0.376624\pi\)
\(8\) 0 0
\(9\) 4.46410 1.48803
\(10\) 0 0
\(11\) −3.46410 −1.04447 −0.522233 − 0.852803i \(-0.674901\pi\)
−0.522233 + 0.852803i \(0.674901\pi\)
\(12\) 0 0
\(13\) 2.73205 0.757735 0.378867 − 0.925451i \(-0.376314\pi\)
0.378867 + 0.925451i \(0.376314\pi\)
\(14\) 0 0
\(15\) −2.73205 −0.705412
\(16\) 0 0
\(17\) −3.46410 −0.840168 −0.420084 − 0.907485i \(-0.637999\pi\)
−0.420084 + 0.907485i \(0.637999\pi\)
\(18\) 0 0
\(19\) 0 0
\(20\) 0 0
\(21\) −5.46410 −1.19236
\(22\) 0 0
\(23\) −3.46410 −0.722315 −0.361158 − 0.932505i \(-0.617618\pi\)
−0.361158 + 0.932505i \(0.617618\pi\)
\(24\) 0 0
\(25\) 1.00000 0.200000
\(26\) 0 0
\(27\) −4.00000 −0.769800
\(28\) 0 0
\(29\) −3.46410 −0.643268 −0.321634 − 0.946864i \(-0.604232\pi\)
−0.321634 + 0.946864i \(0.604232\pi\)
\(30\) 0 0
\(31\) 1.46410 0.262960 0.131480 − 0.991319i \(-0.458027\pi\)
0.131480 + 0.991319i \(0.458027\pi\)
\(32\) 0 0
\(33\) 9.46410 1.64749
\(34\) 0 0
\(35\) 2.00000 0.338062
\(36\) 0 0
\(37\) −6.73205 −1.10674 −0.553371 − 0.832935i \(-0.686659\pi\)
−0.553371 + 0.832935i \(0.686659\pi\)
\(38\) 0 0
\(39\) −7.46410 −1.19521
\(40\) 0 0
\(41\) 6.00000 0.937043 0.468521 − 0.883452i \(-0.344787\pi\)
0.468521 + 0.883452i \(0.344787\pi\)
\(42\) 0 0
\(43\) −4.92820 −0.751544 −0.375772 − 0.926712i \(-0.622622\pi\)
−0.375772 + 0.926712i \(0.622622\pi\)
\(44\) 0 0
\(45\) 4.46410 0.665469
\(46\) 0 0
\(47\) 12.9282 1.88577 0.942886 − 0.333115i \(-0.108100\pi\)
0.942886 + 0.333115i \(0.108100\pi\)
\(48\) 0 0
\(49\) −3.00000 −0.428571
\(50\) 0 0
\(51\) 9.46410 1.32524
\(52\) 0 0
\(53\) 10.7321 1.47416 0.737080 − 0.675805i \(-0.236204\pi\)
0.737080 + 0.675805i \(0.236204\pi\)
\(54\) 0 0
\(55\) −3.46410 −0.467099
\(56\) 0 0
\(57\) 0 0
\(58\) 0 0
\(59\) −6.92820 −0.901975 −0.450988 − 0.892530i \(-0.648928\pi\)
−0.450988 + 0.892530i \(0.648928\pi\)
\(60\) 0 0
\(61\) 12.3923 1.58667 0.793336 − 0.608784i \(-0.208342\pi\)
0.793336 + 0.608784i \(0.208342\pi\)
\(62\) 0 0
\(63\) 8.92820 1.12485
\(64\) 0 0
\(65\) 2.73205 0.338869
\(66\) 0 0
\(67\) −6.73205 −0.822451 −0.411225 − 0.911534i \(-0.634899\pi\)
−0.411225 + 0.911534i \(0.634899\pi\)
\(68\) 0 0
\(69\) 9.46410 1.13934
\(70\) 0 0
\(71\) 2.53590 0.300956 0.150478 − 0.988613i \(-0.451919\pi\)
0.150478 + 0.988613i \(0.451919\pi\)
\(72\) 0 0
\(73\) −0.535898 −0.0627222 −0.0313611 − 0.999508i \(-0.509984\pi\)
−0.0313611 + 0.999508i \(0.509984\pi\)
\(74\) 0 0
\(75\) −2.73205 −0.315470
\(76\) 0 0
\(77\) −6.92820 −0.789542
\(78\) 0 0
\(79\) −2.92820 −0.329449 −0.164724 − 0.986340i \(-0.552673\pi\)
−0.164724 + 0.986340i \(0.552673\pi\)
\(80\) 0 0
\(81\) −2.46410 −0.273789
\(82\) 0 0
\(83\) 3.46410 0.380235 0.190117 − 0.981761i \(-0.439113\pi\)
0.190117 + 0.981761i \(0.439113\pi\)
\(84\) 0 0
\(85\) −3.46410 −0.375735
\(86\) 0 0
\(87\) 9.46410 1.01466
\(88\) 0 0
\(89\) 15.4641 1.63919 0.819596 − 0.572942i \(-0.194198\pi\)
0.819596 + 0.572942i \(0.194198\pi\)
\(90\) 0 0
\(91\) 5.46410 0.572793
\(92\) 0 0
\(93\) −4.00000 −0.414781
\(94\) 0 0
\(95\) 0 0
\(96\) 0 0
\(97\) 16.5885 1.68430 0.842151 − 0.539241i \(-0.181289\pi\)
0.842151 + 0.539241i \(0.181289\pi\)
\(98\) 0 0
\(99\) −15.4641 −1.55420
Currently showing only \(a_p\); display all \(a_n\) Currently showing all \(a_n\); display only \(a_p\)

Twists

       By twisting character
Char Parity Ord Type Twist Min Dim
1.1 even 1 trivial 7220.2.a.h.1.1 2
19.18 odd 2 380.2.a.d.1.2 ✓ 2
57.56 even 2 3420.2.a.h.1.2 2
76.75 even 2 1520.2.a.l.1.1 2
95.18 even 4 1900.2.c.e.1749.4 4
95.37 even 4 1900.2.c.e.1749.1 4
95.94 odd 2 1900.2.a.d.1.1 2
152.37 odd 2 6080.2.a.z.1.1 2
152.75 even 2 6080.2.a.bj.1.2 2
380.379 even 2 7600.2.a.bf.1.2 2
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
380.2.a.d.1.2 ✓ 2 19.18 odd 2
1520.2.a.l.1.1 2 76.75 even 2
1900.2.a.d.1.1 2 95.94 odd 2
1900.2.c.e.1749.1 4 95.37 even 4
1900.2.c.e.1749.4 4 95.18 even 4
3420.2.a.h.1.2 2 57.56 even 2
6080.2.a.z.1.1 2 152.37 odd 2
6080.2.a.bj.1.2 2 152.75 even 2
7220.2.a.h.1.1 2 1.1 even 1 trivial
7600.2.a.bf.1.2 2 380.379 even 2