Finite Group Databasebeta
Cayley diagram

C2×#3250 #60899

order256
nilpotency class3
isoclinismisoclinic class of #3186
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3250

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#466C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

981 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);(4,7)(5,9)(11,12)(13,20)(14,18)(15,17)(16,21)(19,23)(22,24)(25,26);(3,4)(5,8)(6,7)(9,10)(11,13)(12,16)(14,21)(15,22)(17,25)(18,20)(19,24)(23,26);(4,7)(8,10)(12,17)(13,21)(15,23)(16,24)(18,19)(20,25);(3,5,6,9)(4,8,7,10)(12,18)(16,20)(17,19)(24,25)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131361, #131366, #198193, …
maximal normal subgroup of#131361, #131366, #198193, …
maximal quotient ofC2×#21886, C2×#21960, C2×#22114, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53887);