Finite Group Databasebeta
Cayley diagram

C2×#3011 #60363

order256
nilpotency class3
isoclinismisoclinic class of #3008
automorphismAut(G) order 262144
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C210

Aliases

direct productC2×#3011

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC22×2−1+4C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×#41 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

2359 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 38 points:

(1,2);(3,4)(5,6)(7,8,12,16)(9,17,20,30)(10,14,21,28)(11,23,25,15)(13,24,27,19)(18,31,32,38)(22,35,34,29)(26,36,37,33);(7,9,12,20)(8,13,16,27)(10,18,21,32)(11,24,25,19)(14,26,28,37)(15,30,23,17)(22,36,34,33)(29,38,35,31);(4,6)(7,10)(8,14)(9,18)(11,22)(12,21)(13,26)(15,29)(16,28)(17,31)(19,33)(20,32)(23,35)(24,36)(25,34)(27,37)(30,38);(10,21)(14,28)(18,32)(22,34)(26,37)(29,35)(31,38)(33,36)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147588, #147592, #364621, …
maximal normal subgroup of#147588, #147592, #364621, …
maximal quotient ofC2×#18227, C2×#18235, C2×#18243, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53351);