Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #45438 |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | #2733 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1008 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 28 points:
(2,4)(5,6)(7,11)(8,9)(10,12)(15,21)(18,22)(23,27)(26,28);(6,8)(10,11)(13,14,17,20)(15,22,21,18)(16,24,25,19)(23,26,27,28);(1,2,3,4)(5,6,9,8)(7,10,12,11)(13,14)(15,18)(16,19)(17,20)(21,22)(23,26)(24,25)(27,28);(5,7)(6,10)(8,11)(9,12)(13,15,17,21)(14,18,20,22)(16,23,25,27)(19,26,24,28);(5,8,9,6)(7,11,12,10)(13,16,17,25)(14,19,20,24)(15,23,21,27)(18,26,22,28)Polycyclic presentation:
2^8|b^2=fh,c^2=g,d^2=fh,e^2=h,b^a=bf,c^a=cg,d^a=dh,e^a=ef,c^b=ch,d^b=dfh,e^b=eh52 conjugacy classes — view the full character table.
| maximal subgroup of | #97205, #130225, #133553, … |
| maximal normal subgroup of | #97205, #130225, #133553, … |
| maximal quotient of | #557085, #557391, #557755, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 39300);