Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #47826 |
| automorphism | Aut(G) order 65536 |
| 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×#127 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1034 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)(8,10)(9,12)(13,14,17,18)(15,19,21,25)(16,20,24,26)(22,27,23,28);(5,6,8,10)(7,9,12,11)(14,18)(15,21)(20,26)(22,23);(1,2,3,4)(13,15)(14,19)(16,23)(17,21)(18,25)(20,28)(22,24)(26,27);(5,6)(7,9)(8,10)(11,12)(13,16,17,24)(14,20,18,26)(15,22,21,23)(19,27,25,28);(5,7)(6,9)(8,12)(10,11)(13,14)(15,19)(16,20)(17,18)(21,25)(22,27)(23,28)(24,26)Polycyclic presentation:
2^8|a^2=h,b^2=fh,c^2=g,d^2=h,b^a=bf,c^a=cg,e^a=ef,c^b=ch,d^b=dfh,e^b=eh,d^c=dh52 conjugacy classes — view the full character table.
| maximal subgroup of | #133577, #500825, #503240, … |
| maximal normal subgroup of | #133577, #500825, #503240, … |
| maximal quotient of | #560478, #561575, #562934, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 44189);