Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #37644 |
| 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 | C2×#546 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1227 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 28 points:
(2,4)(6,9)(10,12)(13,14)(15,21)(16,19)(17,20)(18,23)(22,27)(24,26)(25,28);(6,9)(7,11)(13,14,17,20)(15,18,23,21)(16,19,24,26)(22,25,28,27);(1,2,3,4)(5,6)(7,10)(8,9)(11,12)(13,14)(15,18)(16,19)(17,20)(21,23)(22,25)(24,26)(27,28);(13,15,17,23)(14,18,20,21)(16,22,24,28)(19,25,26,27);(5,7)(6,10)(8,11)(9,12)(13,16,17,24)(14,19,20,26)(15,22,23,28)(18,25,21,27)Polycyclic presentation:
2^8|b^2=f,c^2=fgh,d^2=f,e^2=f,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh58 conjugacy classes — view the full character table.
| maximal subgroup of | #480915, #497525, #6533274, … |
| maximal normal subgroup of | #480915, #497525, #6533274, … |
| maximal quotient of | #521700, #522317, #522819, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 31082);