Finite Group Databasebeta

#72214925

order3136
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC72 ⋊ C2×#100

Subgroups

subgroupG/H
centerC2#13096407
commutatorC22×C72C22×C4
FrattiniC2×C4C2×D72
FittingC2×C72×D4C22
socleC2×C72C2×C22⋊C4
prime radicalC2×D4×C7⋊D7C2
cosocleC2×C4×C72C23
hypercenterC2×D4D72
hypocenterC72C2×#100
LCSG ▷ C22×C72 ▷ C2×C72 ▷ C72
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×D4

726 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 726 conjugacy classes of subgroups — too many to draw. Only its 74 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:

2^6,7^2|a^2=d,d^2=f,e^2=f,b^a=bdef,d^b=df,e^a=ef,e^b=ef,g^a=g^6,g^c=g^6,h^a=g^2h,h^c=h^6

Conjugacy classes & character table

178 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72214932, #72214953, #72245889, …
maximal normal subgroup of#72214932, #72214953, #72245889, …

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