Finite Group Databasebeta

#72228601

order4704
automorphism?
homologyAbelianization (H1) = C2×C3×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

Hall#13096134 ⋊ C3
Hall#3861 ⋊ #106
SylowC72 ⋊ C3×#106

Subgroups

subgroupG/H
centerC22C4⋊#64424
commutatorC4×C72C2×C3×C4
FrattiniC2×C4C2×#64424
FittingC2×C72×C8C2×C3
socleC22×C72C3×D4
prime radicalC22×#3861D4
cosocleC2×C4×C72C22×C3
hypercenterC2×C8#64424
hypocenterC72C3×#106
LCSG ▷ C4×C72 ▷ C2×C72 ▷ C72
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×C8

360 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 1568

A minimal faithful permutation representation — 3 generators on 26 points:

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

Polycyclic presentation:

2^2,3,2^3,7^2|a^2=d,b^2=e,e^2=f,b^a=be,e^a=ef,g^a=g^6,g^c=g^4,h^a=h^6,h^c=h^4

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#106×#64424, #72259955, #72260015
maximal normal subgroup of#106×#64424, #72259955, #72260015

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d", "e", "f", "g", "h");;
gap> coll := SingleCollector(F, [2, 2, 3, 2, 2, 2, 7, 7]);;
gap> SetPower(coll, 1, F.4);;
gap> SetPower(coll, 2, F.5);;
gap> SetPower(coll, 5, F.6);;
gap> SetConjugate(coll, 2, 1, F.2*F.5);;
gap> SetConjugate(coll, 5, 1, F.5*F.6);;
gap> SetConjugate(coll, 7, 1, F.7^6);;
gap> SetConjugate(coll, 7, 3, F.7^4);;
gap> SetConjugate(coll, 8, 1, F.8^6);;
gap> SetConjugate(coll, 8, 3, F.8^4);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);