Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4×#120 |
| automorphism | Aut(G) order 4718592 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
2061 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 16 points:
(2,4)(6,7)(9,10,13,11)(12,14,16,15);(5,6,8,7)(9,10,13,11)(12,15,16,14);(1,2,3,4)(5,7,8,6)(10,11)(14,15);(9,11,13,10)(12,14,16,15);(9,12,13,16)(10,14,11,15)Polycyclic presentation:
2^8|a^2=h,b^2=fh,c^2=gh,d^2=h,e^2=h,b^a=bf,c^a=cg,c^b=ch,e^b=eh,d^c=dh,e^d=eh70 conjugacy classes — view the full character table.
| Fitting subgroup of | #11710011, #11710012, #11710013, … |
| maximal subgroup of | #98222, #130555, #224651, … |
| maximal normal subgroup of | #98222, #130555, #224651, … |
| maximal quotient of | #519054, #519380, #519656, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 29580);