Finite Group Databasebeta
Cayley diagram

C2×#2488 #34747

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2488

Subgroups

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

1557 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 22 points:

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#223288, #223352, #372508, …
maximal normal subgroup of#223288, #223352, #372508, …
maximal quotient ofC2×#13874, C2×#13896, C2×#13992, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27735);