Finite Group Databasebeta
Cayley diagram

#21398

order256
nilpotency class3
isoclinismisoclinic class of #3008
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC24C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

543 conjugacy classes of subgroups; only the 199 normal subgroups are shown.

normal subgroups only

This group has 543 conjugacy classes of subgroups — too many to draw. Only its 199 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 28 points:

(2,4)(5,6)(7,10)(8,9)(11,12)(13,14,17,19,18,22,16,21)(15,20,25,26,23,27,24,28);(1,2,3,4)(14,19)(16,17)(20,26)(21,22)(24,25)(27,28);(6,9)(10,12)(13,15,18,23)(14,20,22,27)(16,24,17,25)(19,26,21,28);(5,7,8,11)(6,10,9,12)(15,23)(20,27)(24,25)(26,28)

Polycyclic presentation:

2^8|a^2=g,b^2=eg,c^2=h,d^2=f,e^2=h,g^2=h,b^a=be,c^a=cf,e^b=eh,g^b=gh,d^c=dh

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#21398, #6372395, #6372401, …
maximal normal subgroup ofC2×#21398, #6372395, #6372401, …
maximal quotient of#207433, #207447, #207462, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14386);