Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #36702 |
| automorphism | Aut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210 |
| 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 | #2676 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1033 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)(5,6,8,9)(7,11,12,10)(13,14,19,18)(15,22,17,20)(16,21,26,25)(23,28,24,27);(6,9)(10,11)(13,15,19,17)(14,20,18,22)(16,24,26,23)(21,28,25,27);(1,2)(3,4)(13,16,19,26)(14,21,18,25)(15,23,17,24)(20,27,22,28);(5,6)(7,10)(8,9)(11,12)(13,17,19,15)(14,22,18,20)(16,24,26,23)(21,28,25,27);(5,7,8,12)(6,10,9,11)(13,18,19,14)(15,22,17,20)(16,25,26,21)(23,28,24,27)Polycyclic presentation:
2^8|a^2=f,b^2=h,c^2=h,d^2=h,e^2=f,b^a=bf,c^a=cg,d^a=df,e^a=efh,c^b=ch,d^b=dfh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#37260, #7634627, #7634628, … |
| maximal normal subgroup of | C2×#37260, #7634627, #7634628, … |
| maximal quotient of | #553740, #553749, #554004, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 30248);