Output of /home/aschiem/Pgm/Hn/hn --invar -t --shells-9 &K=Q(sqrt(-5)) &Hdim=3 V=K^3 &HNeighbourhood at <3,-1+w> contains 6 classes: mass of the neighbourhood is 5/16 Steinitz class <2,-1+w>: &Hlattice (#1 <-- #2) <2,-1+w> <1> <1> 1/2 0 2 0 -w 3 |Aut| = 2^4 #short vectors: 0 6 12 12 48 56 60 102 112 &Hlattice (#2 <-- #3) <1> <1> <2,-1+w> 2 1 2 1/2-1/2w 1 3/2 |Aut| = 2^2*3 #short vectors: 0 6 12 12 48 56 60 102 112 &Hlattice (#3 <-- #4) <2,-1+w> <2,-1+w> <2,-1+w> 1/2 0 1/2 0 0 1/2 |Aut| = 2^4*3 #short vectors: 0 6 12 12 48 56 60 102 112 &Hlattice (#4 <-- #1) <1> <1> <2,-1+w> 1 0 1 0 0 1/2 |Aut| = 2^4 #short vectors: 4 6 12 28 28 24 60 102 140 &Hlattice (#5 <-- #5) <1> <1> <2,-1+w> 1 0 2 0 -1/2-1/2w 1 |Aut| = 2^3*3 #short vectors: 2 6 12 20 38 40 60 102 126 &Hlattice (#6 <-- #6) <1> <1> <2,-1+w> 1 0 2 0 -1/2+1/2w 1 |Aut| = 2^3*3 #short vectors: 2 6 12 20 38 40 60 102 126 &Adjacence matrix (M_ij=#{neighbours of class i isometric to class j}): 1 4 2 2 4 0 3 3 0 3 1 3 6 0 3 0 0 4 2 4 0 7 0 0 0 6 2 0 1 4 6 2 0 0 4 1 classes of Z-lattices with respect to the trace form (scaled by 1/2) &Dim=6 V=Q^6 &Genus of the trace-forms: det= 125 = 5^3 2-adic symbol: 1^-6_6 5-adic symbol: 1^-3 5^-3 -1-adic symbol: +^6 -^0 level(of 2-scaled form)=20, weight=3 a_0,..,a_9 determine modular form &Gram (#1 <- H1,H3) 2 0 2 0 0 2 0 0 1 3 1 0 0 0 3 0 1 0 0 0 3 |Aut| = 2^7*3 #short vectors: 0 6 12 12 48 56 60 102 112 &Gram (#2 <- H2) 2 1 2 1 0 3 1 1 1 3 0 0 1 1 4 0 0 1 1 -1 4 |Aut| = 2^4*3^2 #short vectors: 0 6 12 12 48 56 60 102 112 &Gram (#3 <- H4) 1 0 1 0 0 2 0 0 -1 3 0 0 0 0 5 0 0 0 0 0 5 |Aut| = 2^8 #short vectors: 4 6 12 28 28 24 60 102 140 &Gram (#4 <- H5,H6) 1 0 2 0 -1 2 0 1 0 4 0 -1 0 1 4 0 0 0 0 0 5 |Aut| = 2^5*3^2 #short vectors: 2 6 12 20 38 40 60 102 126