Finite Group Databasebeta
Cayley diagram

C2×#1482 #17457

order256
nilpotency class3
isoclinismisoclinic class of #447
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

direct productC2×#1482

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC23C2×C22⋊C4
prime radicalC2×#121C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

521 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 34 points:

(1,2);(3,4)(5,12)(6,10)(7,15)(8,11)(9,13)(14,17)(16,18)(19,20,22,25,23,26,29,32)(21,24,28,31,27,30,33,34);(3,5)(4,9)(6,13)(7,16)(8,14)(10,17)(11,18)(12,15)(19,21)(20,24)(22,28)(23,27)(25,31)(26,30)(29,33)(32,34);(3,6,8,7)(4,10,11,15)(5,13,14,16)(9,17,18,12)(21,27)(24,30)(28,33)(31,34)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107534, #107536, #107894, …
maximal normal subgroup of#107534, #107536, #107894, …
maximal quotient ofC2×#7656, C2×#7657, C2×#7658, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10445);