Finite Group Databasebeta
Cayley diagram

C2×#2644 #34617

order256
nilpotency class2
isoclinismisoclinic class of #2613
automorphismAut(G) order 3145728
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2644

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC23×D4C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1111 conjugacy classes of subgroups; only the 487 normal subgroups are shown.

normal subgroups only

This group has 1111 conjugacy classes of subgroups — too many to draw. Only its 487 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) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 26 points:

(1,2);(4,7)(8,9)(11,12)(13,16)(14,17)(15,18)(19,20,23,25)(21,26,22,24);(3,4,6,7)(5,8,10,9)(11,13)(12,14)(15,17)(16,18)(19,21,23,22)(20,24,25,26);(3,4)(5,9)(6,7)(8,10)(11,13)(12,16)(14,18)(15,17)(19,20)(21,24)(22,26)(23,25);(3,5,6,10)(4,8,7,9)(11,14,15,16)(12,17,18,13)(19,22,23,21)(20,24,25,26)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#2644⋊C3
maximal subgroup of#97039, #375634, #375644, …
maximal normal subgroup of#97039, #375634, #375644, …
maximal quotient ofC2×#14260, C2×#14266, C2×#14331, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27605);