Finite Group Databasebeta
Cayley diagram

C2×#3097 #60513

order256
nilpotency class3
isoclinismisoclinic class of #3008
automorphismAut(G) order 131072
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3097

Subgroups

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

1085 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)(5,8)(6,7)(9,10)(11,12,15,19)(13,16,20,24)(14,17,22,18)(21,23,26,25);(4,7)(8,10)(11,13)(12,16)(14,21)(15,20)(17,23)(18,25)(19,24)(22,26);(3,5,6,9)(4,8,7,10)(12,17)(14,22)(16,23)(18,19)(21,26)(24,25);(13,20)(16,24)(21,26)(23,25)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#372329, #372332, #372336, …
maximal normal subgroup of#372329, #372332, #372336, …
maximal quotient ofC2×#20703, C2×#20849, C2×#20913, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53501);