Finite Group Databasebeta
Cayley diagram

C2×#2595 #34854

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C4

Aliases

direct productC2×#2595

Subgroups

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

1221 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#208557, #217157, #224504, …
maximal normal subgroup of#208557, #217157, #224504, …
maximal quotient ofC2×#13932, C2×#13947, C2×#14032, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27842);