Finite Group Databasebeta
Cayley diagram

#14873

order256
nilpotency class2
isoclinismisoclinic class of #14715
automorphismAut(G) order 1572864
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C29

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC24C24
prime radicalC23×D4C22
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

2145 conjugacy classes of subgroups; only the 279 normal subgroups are shown.

normal subgroups only

This group has 2145 conjugacy classes of subgroups — too many to draw. Only its 279 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) = 128

A minimal faithful permutation representation — 4 generators on 20 points:

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

Polycyclic presentation:

2^8|b^2=g,c^2=g,b^a=be,c^a=cf,d^a=dh,c^b=cg

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#14873⋊C3, #72227796, #72227985
maximal subgroup of#246000, #246007, #246043, …
maximal normal subgroup of#246000, #246007, #246043, …
maximal quotient of#154120, #154248, #154251, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 7861);