“…We now use Lemma 2.1 to prove the following two theorems. 3,4,6,9,12,18,36) together with E 4,χ (q t ) (t = 1, 2, 4) constitute a basis for E 4 (Γ 0 (36)). (c) E 4 (q t ) (k = 1, 2, 3, 4, 6, 9, 12, 18, 36), E 4,χ (q t ) (t = 1, 2, 4) together with A k (q)…”