Properties

Label 2100.2.bo
Level $2100$
Weight $2$
Character orbit 2100.bo
Rep. character $\chi_{2100}(1349,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $96$
Newform subspaces $9$
Sturm bound $960$
Trace bound $19$

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Defining parameters

Level: \( N \) \(=\) \( 2100 = 2^{2} \cdot 3 \cdot 5^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2100.bo (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 105 \)
Character field: \(\Q(\zeta_{6})\)
Newform subspaces: \( 9 \)
Sturm bound: \(960\)
Trace bound: \(19\)
Distinguishing \(T_p\): \(11\), \(13\), \(19\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(2100, [\chi])\).

Total New Old
Modular forms 1032 96 936
Cusp forms 888 96 792
Eisenstein series 144 0 144

Trace form

\( 96 q + O(q^{10}) \) \( 96 q + 6 q^{19} + 10 q^{21} + 12 q^{31} - 30 q^{39} + 58 q^{49} + 8 q^{51} + 78 q^{61} + 8 q^{79} + 16 q^{81} + 26 q^{91} + 24 q^{99} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(2100, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
2100.2.bo.a 2100.bo 105.p $4$ $16.769$ \(\Q(\zeta_{12})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$ \(q+(-\zeta_{12}-\zeta_{12}^{3})q^{3}+(2\zeta_{12}-3\zeta_{12}^{3})q^{7}+\cdots\)
2100.2.bo.b 2100.bo 105.p $4$ $16.769$ \(\Q(\zeta_{12})\) \(\Q(\sqrt{-3}) \) \(0\) \(0\) \(0\) \(0\) $\mathrm{U}(1)[D_{6}]$ \(q+(\zeta_{12}+\zeta_{12}^{3})q^{3}+(\zeta_{12}-3\zeta_{12}^{3})q^{7}+\cdots\)
2100.2.bo.c 2100.bo 105.p $4$ $16.769$ \(\Q(\zeta_{12})\) \(\Q(\sqrt{-3}) \) \(0\) \(0\) \(0\) \(0\) $\mathrm{U}(1)[D_{6}]$ \(q+(\zeta_{12}+\zeta_{12}^{3})q^{3}+(-3\zeta_{12}+\zeta_{12}^{3})q^{7}+\cdots\)
2100.2.bo.d 2100.bo 105.p $4$ $16.769$ \(\Q(\zeta_{12})\) \(\Q(\sqrt{-3}) \) \(0\) \(0\) \(0\) \(0\) $\mathrm{U}(1)[D_{6}]$ \(q+(-\zeta_{12}-\zeta_{12}^{3})q^{3}+(-2\zeta_{12}-\zeta_{12}^{3})q^{7}+\cdots\)
2100.2.bo.e 2100.bo 105.p $4$ $16.769$ \(\Q(\zeta_{12})\) \(\Q(\sqrt{-3}) \) \(0\) \(0\) \(0\) \(0\) $\mathrm{U}(1)[D_{6}]$ \(q+(-\zeta_{12}-\zeta_{12}^{3})q^{3}+(-\zeta_{12}-2\zeta_{12}^{3})q^{7}+\cdots\)
2100.2.bo.f 2100.bo 105.p $4$ $16.769$ \(\Q(\zeta_{12})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$ \(q+(2\zeta_{12}-\zeta_{12}^{3})q^{3}+(2\zeta_{12}+\zeta_{12}^{3})q^{7}+\cdots\)
2100.2.bo.g 2100.bo 105.p $20$ $16.769$ \(\mathbb{Q}[x]/(x^{20} - \cdots)\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$ \(q+(\beta _{4}-\beta _{13})q^{3}+(-\beta _{1}+\beta _{2}+\beta _{18}+\cdots)q^{7}+\cdots\)
2100.2.bo.h 2100.bo 105.p $20$ $16.769$ \(\mathbb{Q}[x]/(x^{20} - \cdots)\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$ \(q-\beta _{1}q^{3}+(\beta _{1}-\beta _{2}-\beta _{18})q^{7}+(-\beta _{7}+\cdots)q^{9}+\cdots\)
2100.2.bo.i 2100.bo 105.p $32$ $16.769$ None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$

Decomposition of \(S_{2}^{\mathrm{old}}(2100, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(2100, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(105, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(210, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(420, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(525, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(1050, [\chi])\)\(^{\oplus 2}\)