Finite Group Databasebeta

#72218401

order2240
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

HallC5×C7 ⋊ #386
SylowC7 ⋊ #65779
SylowC5 ⋊ #89985

Subgroups

subgroupG/H
center, FrattiniC22C2×D7×AGL(1,𝔽5)
commutator, socleC22×C5×C7C22×C4
FittingC23×C5×C7C2×C4
prime radicalC2×D5×C22⋊D7C2
cosocleC22×C7×D5C23
hypercenterC23D7×AGL(1,𝔽5)
hypocenterC5×C7#386
LCSG ▷ C22×C5×C7 ▷ C5×C7
UCSC1 ◁ C22 ◁ C23

572 conjugacy classes of subgroups; only the 106 normal subgroups are shown.

normal subgroups only

This group has 572 conjugacy classes of subgroups — too many to draw. Only its 106 normal subgroups are shown.

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

Full subgroup data →

Presentation

Polycyclic presentation:

2^6,5,7|b^2=d,c^2=e,c^a=ce,c^b=cef,g^b=g^3,g^d=g^4,h^c=h^6

Conjugacy classes & character table

158 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72218403, AGL(1,𝔽5)×#6516, #72218605, …
maximal normal subgroup of#72218403, AGL(1,𝔽5)×#6516, #72218605, …

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, 2, 2, 2, 2, 5, 7]);;
gap> SetPower(coll, 2, F.4);;
gap> SetPower(coll, 3, F.5);;
gap> SetConjugate(coll, 3, 1, F.3*F.5);;
gap> SetConjugate(coll, 3, 2, F.3*F.5*F.6);;
gap> SetConjugate(coll, 7, 2, F.7^3);;
gap> SetConjugate(coll, 7, 4, F.7^4);;
gap> SetConjugate(coll, 8, 3, F.8^6);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);