Finite Group Databasebeta
Cayley diagram

#60647

order256
nilpotency class3
isoclinismisoclinic class of #60457
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C23×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C4×#41 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1693 conjugacy classes of subgroups; only the 563 normal subgroups are shown.

normal subgroups only

This group has 1693 conjugacy classes of subgroups — too many to draw. Only its 563 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 20 points:

(2,4)(6,10)(8,11)(12,16)(13,17)(15,18)(19,20);(5,6,11,17,9,13,8,10)(7,12,18,20,14,19,15,16);(1,2,3,4);(5,7)(6,12)(8,15)(9,14)(10,16)(11,18)(13,19)(17,20);(7,14)(12,19)(15,18)(16,20)

Polycyclic presentation:

2^8|b^2=fh,c^2=g,f^2=h,b^a=bf,c^a=cg,f^a=fh,e^d=eh

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#60647⋊C3
maximal subgroup of#129999, #130003, #152056, …
maximal normal subgroup of#129999, #130003, #152056, …
maximal quotient of#6357190, #6357194, #6357196, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53635);