Finite Group Databasebeta
Cayley diagram

C22×#450 #60348

order256
nilpotency class3
isoclinismisoclinic class of #447
automorphismAut(G) order 3145728
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C210

Aliases

direct productC22×#450

Subgroups

subgroupG/H
center, socleC24C2×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC24×D4C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C24×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

3563 conjugacy classes of subgroups; only the 647 normal subgroups are shown.

normal subgroups only

This group has 3563 conjugacy classes of subgroups — too many to draw. Only its 647 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) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 16 points:

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×#450, #72228323, #72258608, …
maximal subgroup of#114509, #114734, #114786, …
maximal normal subgroup of#114509, #114734, #114786, …
maximal quotient ofC22×#1601, C22×#1613, C22×#1604, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53336);