Finite Group Databasebeta
Cayley diagram

C2×#2388 #34535

order256
nilpotency class2
isoclinismisoclinic class of #392
automorphismAut(G) order 3145728
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C210

Aliases

direct productC2×#2388

Subgroups

subgroupG/H
centerC23×C4C23
commutator, Frattini, cosocleC23C25
socleC24C24
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C23 ▷ C1

3119 conjugacy classes of subgroups; only the 639 normal subgroups are shown.

normal subgroups only

This group has 3119 conjugacy classes of subgroups — too many to draw. Only its 639 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) = 18
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 18 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#2388⋊C3, #72268903, #72268905
maximal subgroup of#115155, #129853, #129861, …
maximal normal subgroup of#115155, #129853, #129861, …
maximal quotient ofC2×#13839, C2×#13844, C2×#13851, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27523);