Finite Group Databasebeta

#18070385

order4864
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

SylowC19 ⋊ #7525

Subgroups

subgroupG/H
centerC2#14561786
commutatorC19×#125C2×C4
Frattini#491C2×D19
FittingC19×#1662C2
socleC2×C19#1404
prime radicalC19×#562C4
cosocleC19×#491C22
hypercenter#1662D19
hypocenterC19#7525
LCSG ▷ C19×#125 ▷ C42×C19 ▷ C2×C4×C19 ▷ C22×C19 ▷ C2×C19 ▷ C19
UCSC1 ◁ C2 ◁ C22 ◁ C2×C4 ◁ C42 ◁ #491 ◁ #1662

138 conjugacy classes of subgroups; only the 27 normal subgroups are shown.

normal subgroups only

This group has 138 conjugacy classes of subgroups — too many to draw. Only its 27 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 608

Polycyclic presentation:

2^8,19|a^2=d,c^2=g,d^2=h,e^2=gh,f^2=h,b^a=bc,c^a=ce,e^a=ef,f^a=fg,g^a=gh,i^a=i^18,c^b=cg,d^b=deh,e^b=egh,f^b=fg,d^c=dfg,e^c=eg,f^c=fh,e^d=egh,f^d=fh

Conjugacy classes & character table

199 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 57414);