Output of /home/aschiem/Pgm/Hn/hn --invar -t --shells-2

&K=Q(sqrt(-5))
&Hdim=2      V=K^2
&HNeighbourhood at <3,-1+w> contains 2 classes:
mass of the neighbourhood is 1/6
  Steinitz class <2,-1+w>:
&Hlattice (#1 <-- #1)
     <1> <2,-1+w> 
       2 
-1/2+1/2w        1 
  |Aut| = 2^2*3
  #short vectors:
    0    6


&Hlattice (#2 <-- #2)
     <1> <2,-1+w> 
       2 
-1/2-1/2w        1 
  |Aut| = 2^2*3
  #short vectors:
    0    6



&Adjacence matrix (M_ij=#{neighbours of class i isometric to class j}):
  0   4 
  4   0 


classes of Z-lattices with respect to the trace form (scaled by 1/2)
&Dim=4      V=Q^4

&Genus of the trace-forms:
det= 25 = 5^2
   2-adic symbol:  1^4_II 
   5-adic symbol:  1^-2 5^-2 
  -1-adic symbol:  +^4 -^0 
level=5, weight=2
a_0,..,a_2 determine modular form

&Gram (#1 <- H1,H2)
  2 
  1   2 
  1   0   4 
  1   0  -1   4 
  |Aut| = 2^3*3^2
  #short vectors:
    0    6

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