Finite Group Databasebeta
Cayley diagram

C2×#1485 #17460

order256
nilpotency class3
isoclinismisoclinic class of #447
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

direct productC2×#1485

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC23C2×C22⋊C4
prime radicalC24C22⋊C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

537 conjugacy classes of subgroups; only the 207 normal subgroups are shown.

normal subgroups only

This group has 537 conjugacy classes of subgroups — too many to draw. Only its 207 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 — 4 generators on 26 points:

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107443, #107446, #107883, …
maximal normal subgroup of#107443, #107446, #107883, …
maximal quotient ofC2×#7675, C2×#7680, C2×#7682, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10448);