Properties

Label 105.2.m
Level 105
Weight 2
Character orbit m
Rep. character \(\chi_{105}(13,\cdot)\)
Character field \(\Q(\zeta_{4})\)
Dimension 16
Newform subspaces 1
Sturm bound 32
Trace bound 0

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Defining parameters

Level: \( N \) = \( 105 = 3 \cdot 5 \cdot 7 \)
Weight: \( k \) = \( 2 \)
Character orbit: \([\chi]\) = 105.m (of order \(4\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) = \( 35 \)
Character field: \(\Q(i)\)
Newform subspaces: \( 1 \)
Sturm bound: \(32\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(105, [\chi])\).

Total New Old
Modular forms 40 16 24
Cusp forms 24 16 8
Eisenstein series 16 0 16

Trace form

\( 16q - 8q^{7} + 24q^{8} + O(q^{10}) \) \( 16q - 8q^{7} + 24q^{8} - 16q^{11} + 8q^{15} - 48q^{16} + 8q^{21} - 16q^{22} - 40q^{23} + 24q^{28} - 8q^{30} + 48q^{32} - 8q^{35} - 16q^{36} + 32q^{37} - 16q^{42} - 16q^{43} + 64q^{46} - 72q^{50} - 16q^{51} + 24q^{53} + 24q^{56} + 8q^{57} + 32q^{58} + 40q^{60} + 8q^{63} + 40q^{65} - 32q^{67} - 40q^{70} + 64q^{71} + 24q^{72} - 24q^{77} - 8q^{78} - 16q^{81} + 48q^{85} + 64q^{86} - 64q^{88} - 48q^{91} - 40q^{92} + 24q^{93} - 72q^{95} - 96q^{98} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(105, [\chi])\) into newform subspaces

Label Dim. \(A\) Field CM Traces $q$-expansion
\(a_2\) \(a_3\) \(a_5\) \(a_7\)
105.2.m.a \(16\) \(0.838\) \(\mathbb{Q}[x]/(x^{16} - \cdots)\) None \(0\) \(0\) \(0\) \(-8\) \(q-\beta _{6}q^{2}+\beta _{10}q^{3}+(-\beta _{2}+\beta _{9}-\beta _{11}+\cdots)q^{4}+\cdots\)

Decomposition of \(S_{2}^{\mathrm{old}}(105, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(105, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(35, [\chi])\)\(^{\oplus 2}\)

Hecke Characteristic Polynomials

$p$ $F_p(T)$
$2$ \( ( 1 - 2 T - 2 T^{3} + 9 T^{4} - 4 T^{5} - 16 T^{7} + 16 T^{8} )^{2}( 1 + 2 T + 4 T^{2} + 6 T^{3} + 9 T^{4} + 12 T^{5} + 16 T^{6} + 16 T^{7} + 16 T^{8} )^{2} \)
$3$ \( ( 1 + T^{4} )^{4} \)
$5$ \( 1 + 28 T^{4} - 256 T^{6} - 26 T^{8} - 6400 T^{10} + 17500 T^{12} + 390625 T^{16} \)
$7$ \( 1 + 8 T + 32 T^{2} + 88 T^{3} + 196 T^{4} + 248 T^{5} - 416 T^{6} - 2840 T^{7} - 8634 T^{8} - 19880 T^{9} - 20384 T^{10} + 85064 T^{11} + 470596 T^{12} + 1479016 T^{13} + 3764768 T^{14} + 6588344 T^{15} + 5764801 T^{16} \)
$11$ \( ( 1 + 4 T + 32 T^{2} + 68 T^{3} + 402 T^{4} + 748 T^{5} + 3872 T^{6} + 5324 T^{7} + 14641 T^{8} )^{4} \)
$13$ \( 1 + 424 T^{4} + 47004 T^{8} - 12160488 T^{12} - 4129271418 T^{16} - 347315697768 T^{20} + 38342606809884 T^{24} + 9878388091931944 T^{28} + 665416609183179841 T^{32} \)
$17$ \( 1 + 120 T^{4} + 166556 T^{8} - 9625784 T^{12} + 12237871174 T^{16} - 803955105464 T^{20} + 1161854256343196 T^{24} + 69914668467571320 T^{28} + 48661191875666868481 T^{32} \)
$19$ \( ( 1 + 48 T^{2} + 1524 T^{4} + 40016 T^{6} + 818246 T^{8} + 14445776 T^{10} + 198609204 T^{12} + 2258202288 T^{14} + 16983563041 T^{16} )^{2} \)
$23$ \( ( 1 + 20 T + 200 T^{2} + 1516 T^{3} + 10388 T^{4} + 65340 T^{5} + 378328 T^{6} + 2076676 T^{7} + 10539814 T^{8} + 47763548 T^{9} + 200135512 T^{10} + 794991780 T^{11} + 2906988308 T^{12} + 9757495988 T^{13} + 29607177800 T^{14} + 68096508940 T^{15} + 78310985281 T^{16} )^{2} \)
$29$ \( ( 1 - 184 T^{2} + 15868 T^{4} - 835400 T^{6} + 29324070 T^{8} - 702571400 T^{10} + 11223134908 T^{12} - 109447491064 T^{14} + 500246412961 T^{16} )^{2} \)
$31$ \( ( 1 - 128 T^{2} + 9396 T^{4} - 463040 T^{6} + 16703398 T^{8} - 444981440 T^{10} + 8677403316 T^{12} - 113600471168 T^{14} + 852891037441 T^{16} )^{2} \)
$37$ \( ( 1 - 16 T + 128 T^{2} - 944 T^{3} + 8860 T^{4} - 73552 T^{5} + 488320 T^{6} - 3175280 T^{7} + 20212134 T^{8} - 117485360 T^{9} + 668510080 T^{10} - 3725629456 T^{11} + 16605066460 T^{12} - 65460695408 T^{13} + 328412980352 T^{14} - 1518910034128 T^{15} + 3512479453921 T^{16} )^{2} \)
$41$ \( ( 1 - 144 T^{2} + 12956 T^{4} - 823792 T^{6} + 38320198 T^{8} - 1384794352 T^{10} + 36610559516 T^{12} - 684015010704 T^{14} + 7984925229121 T^{16} )^{2} \)
$43$ \( ( 1 + 8 T + 32 T^{2} + 280 T^{3} + 2788 T^{4} + 14232 T^{5} + 63840 T^{6} + 569416 T^{7} + 5017638 T^{8} + 24484888 T^{9} + 118040160 T^{10} + 1131543624 T^{11} + 9531617188 T^{12} + 41162364040 T^{13} + 202283617568 T^{14} + 2174548888856 T^{15} + 11688200277601 T^{16} )^{2} \)
$47$ \( 1 + 3784 T^{4} + 1124764 T^{8} + 9138019192 T^{12} + 63538455194182 T^{16} + 44590618628837752 T^{20} + 26782078030828949404 T^{24} + \)\(43\!\cdots\!44\)\( T^{28} + \)\(56\!\cdots\!21\)\( T^{32} \)
$53$ \( ( 1 - 12 T + 72 T^{2} - 572 T^{3} + 1780 T^{4} + 1436 T^{5} + 18200 T^{6} - 441076 T^{7} + 6254598 T^{8} - 23377028 T^{9} + 51123800 T^{10} + 213787372 T^{11} + 14045056180 T^{12} - 239207821996 T^{13} + 1595834001288 T^{14} - 14096533678044 T^{15} + 62259690411361 T^{16} )^{2} \)
$59$ \( ( 1 + 312 T^{2} + 49660 T^{4} + 5040712 T^{6} + 354176614 T^{8} + 17546718472 T^{10} + 601748147260 T^{12} + 13160326495992 T^{14} + 146830437604321 T^{16} )^{2} \)
$61$ \( ( 1 - 200 T^{2} + 17532 T^{4} - 857912 T^{6} + 37932838 T^{8} - 3192290552 T^{10} + 242745284412 T^{12} - 10304074872200 T^{14} + 191707312997281 T^{16} )^{2} \)
$67$ \( ( 1 + 16 T + 128 T^{2} + 1424 T^{3} + 22436 T^{4} + 211280 T^{5} + 1522560 T^{6} + 15870032 T^{7} + 163564774 T^{8} + 1063292144 T^{9} + 6834771840 T^{10} + 63545206640 T^{11} + 452110550756 T^{12} + 1922578152368 T^{13} + 11578672917632 T^{14} + 96971385685168 T^{15} + 406067677556641 T^{16} )^{2} \)
$71$ \( ( 1 - 16 T + 232 T^{2} - 2376 T^{3} + 21730 T^{4} - 168696 T^{5} + 1169512 T^{6} - 5726576 T^{7} + 25411681 T^{8} )^{4} \)
$73$ \( 1 - 15256 T^{4} + 80862300 T^{8} + 94053698264 T^{12} - 2362018367550906 T^{16} + 2670959590242353624 T^{20} + \)\(65\!\cdots\!00\)\( T^{24} - \)\(34\!\cdots\!76\)\( T^{28} + \)\(65\!\cdots\!61\)\( T^{32} \)
$79$ \( ( 1 - 312 T^{2} + 58396 T^{4} - 7293320 T^{6} + 672141766 T^{8} - 45517610120 T^{10} + 2274528930076 T^{12} - 75843286122552 T^{14} + 1517108809906561 T^{16} )^{2} \)
$83$ \( 1 + 5000 T^{4} + 95818588 T^{8} + 596752860728 T^{12} + 4571727903671302 T^{16} + 28320888822097717688 T^{20} + \)\(21\!\cdots\!08\)\( T^{24} + \)\(53\!\cdots\!00\)\( T^{28} + \)\(50\!\cdots\!81\)\( T^{32} \)
$89$ \( ( 1 + 576 T^{2} + 155068 T^{4} + 25338304 T^{6} + 2740378246 T^{8} + 200704705984 T^{10} + 9729313827388 T^{12} + 286261223593536 T^{14} + 3936588805702081 T^{16} )^{2} \)
$97$ \( 1 - 55064 T^{4} + 1465436892 T^{8} - 24336256217256 T^{12} + 274732504520067270 T^{16} - \)\(21\!\cdots\!36\)\( T^{20} + \)\(11\!\cdots\!12\)\( T^{24} - \)\(38\!\cdots\!24\)\( T^{28} + \)\(61\!\cdots\!21\)\( T^{32} \)
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