gp: [N,k,chi] = [961,6,Mod(1,961)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
magma: //Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("961.1");
S:= CuspForms(chi, 6);
N := Newforms(S);
sage: from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(961, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0]))
N = Newforms(chi, 6, names="a")
Newform invariants
sage: traces = [96,-32,0]
f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(3)] == traces)
gp: f = lf[1] \\ Warning: the index may be different
The algebraic \(q\)-expansion of this newform has not been computed, but we have computed the trace expansion .
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.
gp: mfembed(f)
Refresh table
\( p \)
Sign
\(31\)
\( +1 \)
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{6}^{\mathrm{new}}(\Gamma_0(961))\):
\( T_{2}^{48} + 16 T_{2}^{47} - 992 T_{2}^{46} - 16804 T_{2}^{45} + 449728 T_{2}^{44} + \cdots - 20\!\cdots\!04 \)
T2^48 + 16*T2^47 - 992*T2^46 - 16804*T2^45 + 449728*T2^44 + 8175104*T2^43 - 123115898*T2^42 - 2446660512*T2^41 + 22610566077*T2^40 + 504559761540*T2^39 - 2915385580312*T2^38 - 76112104167452*T2^37 + 265885956027073*T2^36 + 8702025378680224*T2^35 - 16385629426134954*T2^34 - 771053725271279208*T2^33 + 535724715919289986*T2^32 + 53695380363599959316*T2^31 + 11345649693123205380*T2^30 - 2963413136828409426008*T2^29 - 2724721435772262881329*T2^28 + 130132931065188014011576*T2^27 + 193027152300103748540216*T2^26 - 4548816711414425280340960*T2^25 - 8818815989129328958345136*T2^24 + 126207466795967527737813504*T2^23 + 291608756027432426141138432*T2^22 - 2762501822912018347929378816*T2^21 - 7228568473338647677398468608*T2^20 + 47249856227898476712760995840*T2^19 + 135611600117007072641229623296*T2^18 - 623004486551340170150040797184*T2^17 - 1919053120938554783545136562176*T2^16 + 6216470104221305503065432326144*T2^15 + 20228592702818359930537168011264*T2^14 - 45781434034429318459614628151296*T2^13 - 155448363383447545635932683894784*T2^12 + 240406910527617216642849964032000*T2^11 + 843100433771696599526646500818944*T2^10 - 856140261430900719275244211142656*T2^9 - 3076162903907893177445908597440512*T2^8 + 1904805562106853818992980119257088*T2^7 + 7013653001296196680255660548423680*T2^6 - 2215637601357145315765339717369856*T2^5 - 8812171649857250585799398692749312*T2^4 + 509049570477475717614858917642240*T2^3 + 4602668828439656650542771246989312*T2^2 + 1008429712538888207895992796708864*T2 - 207091608982544832179041158037504
\( T_{3}^{96} - 14904 T_{3}^{94} + 107044348 T_{3}^{92} - 493587076864 T_{3}^{90} + \cdots + 84\!\cdots\!76 \)
T3^96 - 14904*T3^94 + 107044348*T3^92 - 493587076864*T3^90 + 1642412218268414*T3^88 - 4202982965377671360*T3^86 + 8608176103096271035624*T3^84 - 14499410667909369577185760*T3^82 + 20482497899302688813506328068*T3^80 - 24625171129102604310649511525696*T3^78 + 25482493184805865983465030818220512*T3^76 - 22899076294398378922776377156371393664*T3^74 + 17995608817920634229079951585167184006736*T3^72 - 12437689048377256980780359016757411143423232*T3^70 + 7594663699194248409541333029533274697506614272*T3^68 - 4112005433699667098307028043322200689246893761792*T3^66 + 1979844541668785179769294151820939011409185356632928*T3^64 - 849612816936652619355702488974687256987257672088231168*T3^62 + 325510205785900133064686450931544259925859263170861149696*T3^60 - 111478427168592163475414873492947432789416841465261733248000*T3^58 + 34153648094529936382106405958490878945665236322296210506987328*T3^56 - 9364051484301981168929258774812926189641690162643485451129895424*T3^54 + 2297547581115795262521362662854408257951730607590067717187575274240*T3^52 - 504280870641608655889117525813130878017187065181911064228734602931200*T3^50 + 98938123880697921826412594895699958147543409824114488203079877392940096*T3^48 - 17332320384842086240174377684837604940008386133483023066580964481124014592*T3^46 + 2707135911398071471519921781553444013541209926175547485581795801707457018112*T3^44 - 376284246716844281266037884855480215509743457164805952691040199860280490825728*T3^42 + 46439942232042909513207388327270198928041889475926892668716701493405470985105280*T3^40 - 5075349798608714211604296674529633647467334618229453839772890640454473558028130304*T3^38 + 489624330284566041227440394863480787216461816383848189502747222984267923406526965248*T3^36 - 41541249300442221020182274608740126825561115449132908822722646219487552765002593585152*T3^34 + 3086430456625299832278845644000077282102576842087327605500009050281151607239755648856320*T3^32 - 199820932130531691235710998916206080025308115198866299591149272176124719860245769963028480*T3^30 + 11208225711006018985268083493637724560709307641478361784300537484330461648627522802466594816*T3^28 - 541051103956417746556728805187650757968320394372654454544843895501456014160386146978858139648*T3^26 + 22301755743268650717061908358502358337642790328537250299878804784798710532008144629654891978752*T3^24 - 777689865214423077596977657697352420288024107033687991723771429590234658688344599359860317749248*T3^22 + 22688234646351832766055092221986505803214704755763486867202319872338521580894260767636437908717568*T3^20 - 546272357112802090846058112044758617110727318400934198552977154213150816703163964875842656276840448*T3^18 + 10671852318944881536331254428815174695156025792846884929263003744536491946614969953964837643839176704*T3^16 - 165488627222696848047306601311376987668933980500876408478350616146015627541308161439181831741409067008*T3^14 + 1977980519370903453948285969350216466060569355559910523686022255312636989671419462301258388132678074368*T3^12 - 17478315032381452987425101627798494903117585708785292633604531897588116368761028285952976523717519605760*T3^10 + 107096088221615413396681346551421357375245028498483988673638737526762236286950377214100972416257147011072*T3^8 - 406691413317150593192754739288036989797709327333516647220721211107999994469444050339250025857510052724736*T3^6 + 742930006215718257839299055508963701002073365565623686755933934209800761811507225398574973163363354279936*T3^4 - 170172244527477917426573046454649229296044307504777354778308544440817021728636251895800086632447002804224*T3^2 + 8449104461719263682564813889270127241874082317253158101563421800622429220291976805923541240264629682176